GODOX GT600II · 1/28
DIFFUSION TENT RIG
JEWELRY / DIAMOND
High-End Jewelry Photography Guide — Diamond Ring / Gemstone

The
Tent

A professional diffusion tent system, a 600Ws strobe, a motorized turntable, and a reflective mirror surface — how one of the most technically demanding product genres is actually done.
Godox GT600II Diffusion Tent Boom Arm Overhead Rig Fancy Green Diamond Motorized Turntable Mirror Reflective Surface Overhead Camera Pure White BG
01 / CONCEPT
The System
Core Architecture
The walls become the light.
The camera shoots through the tent, not at it.
A diffusion tent is not a lightbox you put a product inside. It's a controlled luminance environment — white diffusion panels suspended around the product on all sides, lit from the outside. The strobe never touches the gem directly. Light passes through the panels, turning each one into a large, even, wraparound light source. The gem sees clean white panels in every direction it reflects — eliminating the room, the photographer, the stands, and the walls. Only the gem and its sparkle exist. The camera shoots through a precise gap in the tent, far enough back that the lens barrel doesn't reflect in the stone. This is the standard for high-end diamond and colored stone photography globally.
I
Gems are mirrors, not subjects
A faceted gemstone reflects everything in its environment. You're not lighting the gem — you're controlling what it reflects. A diffusion tent creates a controlled, all-white environment that the gem reflects cleanly.
II
The tent eliminates the room
Without a tent, the stone reflects the ceiling, the camera, the photographer's shirt. Every dark reflection kills brilliance. The tent replaces the room with a controlled white sphere — every facet reflects light, not shadow.
III
Overhead = symmetry + fire
Looking straight down at a ring shows the full face of the setting and center stone simultaneously. The light hits the facets at the right angles to show fire (colored dispersion) and brilliance (white sparkle). Side angles show depth but lose face-up symmetry.
02 / GEAR
The Full Rig
Primary Strobe
Godox GT600II
600Ws studio strobe. Confirmed power setting: 1/28.05 (approximately 1/5 to 1/6 power — middle-low output). Bare head, no modifier on the strobe itself. The diffusion panels ARE the modifier.
The System — Primary Setup
Diffusion Tent — Suspended Panel Rig
Two to four large white diffusion panels (foam board or translucent white acrylic) suspended from a boom arm ceiling rig. Panels hang vertically around the product on 3–4 sides, open at top for the camera lens to shoot down through. The strobe fires into the panels from outside.
Support Infrastructure
Ceiling Boom Arm Rig
Overhead boom arm system with multiple clamps and arms (visible in Images 10–11, 16–17). Allows panels to be suspended precisely at any height and angle. This is a dedicated jewelry studio rig — not improvised. Critical for repeatable panel positioning.
Camera
Nikon DSLR (D800/D850 series)
Visible in Image 5. Mounted overhead, lens pointing straight down through the tent gap. Macro or high-resolution lens. Remote trigger or tethered capture. Long focal length keeps the lens far enough from the gem that it doesn't show as a dark reflection in the stone.
Rotation
Motorized Turntable / Rotator
Black motorized rotation platform visible in Images 8, 9. Camera/USB connection for external control — shoots at set degree intervals for 360° product photography sequences. The ring sits on the turntable for automated multi-angle shooting.
Shooting Surface
Dark Mirror / Reflective Acrylic Plate
Dark gray/charcoal mirror surface on top of the turntable (visible in Images 6–7). Creates the clean mirror reflection below the ring — the reflection doubles the visual weight of the piece and adds luxury depth without additional lighting.
Diffusion Material
White Foam Board or Translucent Acrylic
Each panel is 60×80cm or larger. Must be perfectly clean and uniformly white — any yellowing or marks will read as color casts in the stone's facets. Replace panels regularly. Some setups use 4mm white Perspex (acrylic sheet) as it's rigid and wipes clean.
Accent Light
Small Blue LED Accent
Visible in Image 5 — a small blue LED positioned at the back of the tent interior. Not the primary light — used to introduce a subtle blue point of color into the green diamond's facets, enhancing its color play and making the stone appear more vivid.
Secondary Light
Small Strip / Wand Light (Optional)
Images 8–9 show a thin arm/wand light positioned at the back of the tent at an angle. Acts as a targeted rim/backlight for the gem that the tent alone can't provide — creates a concentrated sparkle on specific facets.
Product
Fancy Green Diamond Ring
Large cushion-cut fancy green diamond (~5–10ct center stone estimate) in platinum/white gold double halo setting with baguette and round brilliant diamonds. Extremely high-value gemstone — handle with extreme care, cotton gloves only.
Confirmed Strobe Settings — GT600II Display (Images 13–14)
Power: 1/28.05 ~1/5 – 1/6 power Godox GT600II Bare head Shooting through tent panels
Running the strobe at lower power means more precision over light intensity and faster recycle times for rapid sequential shooting. The diffusion panels also reduce effective output, so starting at mid-low power and adjusting is the correct approach.
03 / TECHNIQUE
How the Tent Works
Cross-Section — Overhead Camera Angle + Tent Diffusion System
DIFFUSION PANEL L DIFFUSION PANEL R MOTORIZED TURNTABLE MIRROR ACRYLIC RING reflection NIKON OVERHEAD / INVERTED GT600II 1/28 BARE HEAD BLUE ACCENT BOOM ARM RIG (ceiling mount) Diffusion panel Light through panels Turntable + mirror Blue accent
The Core Principle
Why gems need a tent
A faceted gemstone is a precision optical instrument — it reflects and refracts everything in its environment. Every surface in the room appears as a reflection in its facets. Dark reflections (ceiling, camera, you) read as dead zones in the stone — areas with no brilliance or fire. A tent replaces the room with a controlled white environment, so every facet reflects light. The gem looks 10× more alive.
Camera Gap Mechanics
Shooting through, not into
The camera is positioned overhead with the lens barrel extended down through the gap between tent panels. The key: the lens must be far enough above the gem that the barrel opening doesn't appear as a dark circle in the stone's reflections. The further the camera, the longer the lens needed — typically 100mm macro minimum for small jewelry.
Panel Material
What the panels are made of
Heavy white foam board (Foamcore) works, but white Perspex/acrylic at 4–6mm is better — it's rigid, cleanable, and transmits light more evenly with less hot-spotting. The strobe fires into the outer face; the inner face becomes the light source. Panel size: 60×80cm minimum per side.
The Blue Accent LED
Enhancing the green diamond's fire
A small blue LED placed at the back of the tent introduces a point of blue-spectrum light. Green diamonds have natural color play between green and yellow — adding a complementary blue/cool point creates contrast dispersion fire within the stone. This technique is used specifically for colored diamonds to enhance their unique optical properties.
04 / WORKFLOW
Setup Sequence
1
Build the overhead boom arm rig
Mount the ceiling boom arm system (crossbar + drop arms). This rig holds the diffusion panels suspended in the air above the shooting table. The panels hang vertically on all sides — left, right, back, and optionally front. All mount points are on the overhead rig, so the table below remains clear. This is a dedicated installation, not a quick setup.
2
Hang the diffusion panels
Suspend white foam board or translucent acrylic panels from the boom arms. Left panel, right panel, and back panel form a U-shape. Adjust height so the bottom edge is at or just below the level of the turntable surface. The front is left open for the camera, or a partial front panel is added with a cut-out for the lens. All panels should be plumb (perfectly vertical).
3
Position the GT600II strobe outside the tent
The Godox GT600II goes outside the tent, aimed at one of the diffusion panels (typically the main left or right panel). Bare head — no modifier on the strobe. The panel itself is the modifier. Set initial power to around 1/28 (as confirmed in Images 13–14) and adjust from there after test shots. More panels lit = softer, more even illumination of the stone.
4
Place the motorized turntable inside the tent
Set the black motorized rotation platform on the shooting table inside the tent. Connect via USB or the control unit. Place the reflective dark mirror/acrylic plate on top of the turntable. This is the actual surface the ring will sit on. The mirror gives the product image a built-in reflection that reads as luxury and weight without additional setup.
5
Clean and place the ring — cotton gloves only
Put on cotton gloves before handling the piece. Clean the ring with a soft cloth and compressed air. Place the ring on the mirror surface on the turntable. For the face-up shot (the hero), the ring should sit with the setting face-up — the center stone and all surrounding diamonds fully visible from above. Use wax or poster putty to stabilize the ring if needed.
6
Add the blue accent LED inside the tent
Position a small blue LED at the back of the tent interior, aimed at the center stone at an angle. The intensity should be subtle — enough to introduce cool/blue reflections into specific facets of the green diamond, not enough to overwhelm the overall white light from the panels. This creates color contrast fire in the stone.
7
Mount the camera overhead, lens through the tent gap
Mount the Nikon on an overhead arm or the top of the boom rig, pointing straight down. Lower the lens through the top gap of the tent. The lens barrel should be centered directly above the ring. Check that the barrel is not visible in the reflections of the stone — if it is, raise the camera higher or use a longer focal length. Tether to a laptop or use remote trigger.
8
Shoot face-up hero — adjust light and panels
Take test shots and review on the tethered laptop. Check: are all facets of the stone reflecting light? Is there any dark zone (dark reflection showing through)? Adjust panel positions and strobe direction until all areas of the stone sparkle. The final hero (Image 18) shows pure white background and every facet of the green diamond lit and active. This is achieved when the tent completely fills the stone's reflective environment.
9
Run the 360° turntable sequence
Once the single hero shot is captured, engage the motorized turntable for the 360° sequence. Program the rotation interval — typically every 10° for 36 frames (full 360°) or every 5° for 72 frames. The camera triggers on each stop. Review all frames for consistent exposure and focus across the rotation. The turntable ensures perfectly smooth rotation that would be impossible by hand.
05 / SHOTS
Shot Breakdown
A
Initial setup — tent partially built, ring placement test on mirror surface
Setup / Staging
What's Happening (Images 1–5)
  • Overhead boom arm rig being assembled and panels hung
  • Camera positioned above, lens threading down into tent gap
  • Ring on mirror/acrylic surface — small white gemstone visible
  • White paper sheet under the entire setup as a floor catch
  • Photographer checking camera angle by looking through the tent
  • Blue LED visible in background in Image 5 — positioned at back
Critical Setup Checks
  • Is the lens centered directly above the ring?
  • Is the camera barrel visible in the stone's reflections?
  • Are all panels hanging vertical and plumb?
  • Is the turntable centered below the camera axis?
  • Is the strobe aimed at the panel, not directly at the product?
The setup phase for a jewelry tent rig takes 45–90 minutes. There are no shortcuts — every millimeter of panel position affects what the stone reflects. Budget time accordingly and don't rush the initial positioning.
B
Mirror surface test — ring on reflective acrylic, top-down angle
Test Shot / Reflection
Setup (Images 6–7)
  • Ring upright on dark gray mirror/acrylic surface
  • Clean vertical reflection visible below the ring
  • White diffusion panel visible above — softbox acting as top fill
  • All-around soft light — stone facets catching white panels
  • This is the BTS view — the camera sees straight down
The Reflection
  • Dark mirror creates a symmetrical downward reflection
  • Reflection should be sharp, not blurry — keep mirror clean
  • Gap between ring and reflection reads as separation/floating
  • From above: ring + reflection creates a figure-8 symmetry
  • This composition is used for the reflective surface hero frame
The mirror reflection reads as confidence and luxury. It doubles the visual mass of the ring and creates a graphic symmetry that works powerfully in both editorial and e-commerce contexts. Keep the acrylic immaculate — any dust shows as a break in the reflection.
Dark mirror acrylic Overhead angle Full tent wrap Reflection in frame
C
Turntable rig — 360° sequence setup, ring on rotation platform
360° Product Sequence
Turntable Setup (Images 8–9)
  • Black motorized platform with control buttons — USB/remote connected
  • Mirror acrylic plate mounted on top of the turntable
  • Ring positioned on mirror plate, face-up, centered
  • Camera overhead — same position as hero face-up shot
  • Small wand/strip light at back of tent visible — targeted rim accent
360° Sequence Protocol
  • Set interval: every 10° (36 frames) or every 5° (72 frames)
  • Camera triggers on turntable stop, not during rotation
  • Check frame 1 and frame 36 match (ring returns to start)
  • Review all frames — some angles will show different brilliance
  • Turntable must not wobble — any vertical movement = blur
The motorized turntable is not optional for professional jewelry work — even a single degree of angular inconsistency per frame creates a jittery, unprofessional 360° animation. Manual rotation produces unusable results for spinning video.
Motorized rotation 36–72 frames Remote trigger Tethered review
D
Final hero — face-up, pure white background, full diamond reveal
Final Hero Image
Final Composition (Image 18)
  • Ring perfectly centered, face-up, slight upward tilt toward camera
  • Pure white background — tent panels completely blown to white
  • No reflection in this frame — white paper surface, not mirror
  • Center green diamond: every facet lit, clear fire and brilliance
  • Baguette halo: all stones bright, no dark zones
  • Rose gold prongs visible — warm accent against platinum setting
Technical Achievement
  • Pure white background from tent panels overexposed slightly
  • Stone perfectly focused — macro at f/11–f/16 for full DOF
  • Every facet of the halo diamonds individually readable
  • Green diamond shows both brilliance (white) and fire (spectral)
  • Zero photographer/camera/room visible in any facet reflection
  • Requires extensive cloning in post for any remaining dark reflections
Image 18 is a post-processed hero. The raw out-of-camera result is close but never this perfect — small dark reflections in stone facets must be cloned out, and the white background may be composited from a pure white layer. This is standard in high-end jewelry photography. The shooting provides 90% of the result; post provides the final 10%.
Overhead face-up Pure white BG f/11–f/16 Full macro Post-processed GT600II 1/28
06 / TIPS
Jewelry Photography Essentials
I
Cotton gloves — always, without exception
A single fingerprint on a diamond or a platinum setting requires 20 minutes of retouching. Put on cotton gloves before touching any piece. Keep a microfiber cloth and compressed air within reach. Clean every time you handle the jewelry.
II
Tether to a laptop or monitor
You cannot evaluate stone brilliance accurately on a 3" camera LCD. Tether to a calibrated monitor and evaluate at 100% zoom. Dark reflections and dead facets that look fine on the camera screen are obvious at full resolution on a large display.
III
Macro stacking for full sharpness
For high-value pieces where every detail matters, shoot focus-stacked images — 20–50 frames at slightly different focus distances, merged in Helicon Focus or Photoshop. This gives edge-to-edge sharpness impossible at any single aperture, even f/16.
IV
The lens must not appear in the stone
If the camera lens barrel shows as a dark circle in the gem's table facet, you're too close. Move the camera up and use a longer focal length. A 100mm macro at 30cm gives a different perspective than a 200mm macro at 60cm — same field of view, but the longer lens keeps the barrel far enough away.
V
Clone dark reflections in post — it's standard
No tent perfectly eliminates all dark reflections in a faceted stone. Some facets will always catch the camera, a stand leg, or the tent gap. Professional jewelry retouchers clone these out by painting in neighboring facet reflections. This is not deceptive — it's correcting the optical limitations of the setup.
VI
f/11–f/16 for jewelry, not f/5.6
The depth of a ring from the front of the center stone to the back of the setting can be 8–12mm. At macro distances, f/5.6 will only get you 2–3mm of sharp zone. Use f/11–f/16 for full setting sharpness, or focus-stack. The tent provides enough light for these smaller apertures.
VII
Black cards create contrast in diamonds
All-white environments make colorless diamonds look bright but flat — they have no contrast between facets, so they look like frosted glass. Introduce one or two small black cards inside the tent at specific angles. The black reflections in certain facets create the contrast that makes a diamond look like a diamond.
VIII
Accent colored lights for colored stones
The blue LED in this setup is used specifically for the green diamond. Colored gemstones benefit from a light source that complements or contrasts their hue. An emerald benefits from a daylight blue accent; a ruby benefits from a warm accent that deepens the red. Study the stone's optical properties before setting your accent.
IX
Mirror surface alternatives
The dark mirror acrylic surface can be replaced with: black marble tile (heavy, permanent, high-end), dark plexiglass/acrylic sheet (lightweight, portable), a mirror-finish metal sheet, or a luxury fabric. Each creates a different reflection quality. Match the surface to the brand positioning of the piece.
07 / POST
Retouching & Delivery
Background
Pure white extraction
The tent creates a near-white background in camera. In post, make it pure white (#ffffff) using Levels or Curves to pull the background to absolute white without blowing the platinum setting. A clean path/mask around the ring gives you independent control of background vs. product tones.
Stone Retouching
Clone dark reflections, enhance fire
Identify any dark reflections in the gem's facets (camera barrel, stand legs, gap in tent). Clone neighboring lit facets over the dark ones. The human eye doesn't know where each facet's reflection "should" come from — it just expects consistency. Enhance color in the center stone by selective saturation boosts using the Hue/Saturation layer.
Metal Retouching
Platinum — brighten, not yellow
Platinum and white gold can appear slightly warm or gray in camera. Bring the metal to a cool, bright silver — desaturate any yellow-warmth tones using selective color. The metal should look like polished chrome, not silver or tin. Dodge the highest catchlights on prongs and settings for luxury finish.
360° Delivery
Consistent grade across all frames
For 360° sequences, develop one frame in Lightroom/ACR to the final grade, then sync settings to all frames in the sequence. Render as a sequence of JPEGs and compile to SpinViewer, 360° HTML widget, or the client's platform. Check the first and last frame match — the rotation should loop seamlessly.