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FLGR-09 is built around a 1.09 carat Fancy Vivid Green oval lab-grown diamond in 18K white gold. A face-up diamond halo follows the center, while smaller diamonds continue along the upper shoulders. The sample reads as one elongated oval composition rather than a round halo placed around an oval stone.
For repeat production, that distinction matters. A halo can be left-right symmetrical and still make the center appear too round if the border becomes too wide at the top and bottom. The approved CAD should therefore control the outer oval proportion as carefully as the center-stone seat.
IGI report LG696543879 records an Oval Modified Brilliant measuring 7.28 x 5.45 x 3.39 mm. Its length-to-width ratio is approximately 1.34, giving this particular center a fuller oval outline than a strongly elongated oval.
The center is graded 1.09 carats, Fancy Vivid Green and VVS2, with Very Good polish, Very Good symmetry and no fluorescence. The report records HPHT growth and indications of post-growth treatment.
Those grading details belong to the inscribed center diamond. They do not grade the approximately 0.77 ct of accent diamonds, verify the finished 18K white gold mounting or guarantee that another 1.09 ct oval will reproduce the same face-up proportion.
This model is easier to reproduce when the buyer approves four dimensions rather than a generic “oval halo” reference:
These measurements can be reviewed in the custom ring CAD process. If the center changes, redraw the inner opening first and then confirm whether the outside halo dimensions should remain fixed or move with the new stone.
A fuller 1.34 oval needs deliberate spacing at its two ends. If the top and bottom halo border becomes disproportionately wide, the finished outline can read closer to a round cluster even though the center itself is oval. If the side border is too narrow, the center can appear squeezed between the shoulders.
For this sample, the useful repeat-order reference is the visual border around the center: compare the halo width at the top, bottom, left and right in the straight-on image. Keep those four zones balanced around the selected center rather than ordering the halo only by total accent weight.
The approximately 0.77 ct accent total includes the visible halo and diamond-set shoulder area. For purchasing, retain separate production records for halo stones and shoulder melee because a ring-size change can alter the shoulder requirement without changing the approved face-up halo.
Brands developing several green oval versions can hold the finished halo footprint constant while offering different center grades or modest center-size changes, provided each selected diamond can be seated without distorting the inner gap. This creates a more consistent visual scale across a private-label collection.
The alternative approach is center-led scaling: the halo grows or contracts with each oval. That keeps the border proportion similar but changes finger coverage and finished weight. Both are valid production strategies, but they should not be mixed within the same SKU without updating the CAD and quotation.
Other finished green-center structures can be compared in the Lab Green Diamond Ring collection. FLGR-09 should remain the face-up oval halo route, distinct from gallery-set, mixed-cut and detachable models.
Product format: oval center with face-up halo and diamond-set upper shoulders
Center: 1.09 ct Fancy Vivid Green VVS2 oval lab-grown diamond, 7.28 x 5.45 x 3.39 mm
Report: IGI LG696543879; HPHT; indications of post-growth treatment
Finish: Very Good polish, Very Good symmetry and no fluorescence
Accent diamonds: approximately 0.77 ct total across the halo and upper shoulders
Approximate total diamond weight: 1.86 ct
Metal: 18K white gold
Sample weight and size: approximately 3.28 g; workshop size 14
Order support: MOQ 1 piece; initial CAD normally within 48 hours; production normally 7-12 working days after approval
The front QC image should show the oval center on axis, an even inner halo gap, comparable border width at both ends and matching shoulder entry points. Check that prongs do not visually cut into the center outline or create an unintended flat area in the halo.
The angled QC image should confirm that the halo sits at a consistent level around the center and that both shoulders rise into the setting evenly. Record the final outside face dimensions with the approved images so later orders can be compared against a measurable reference.
Yes, but the inner opening, accent-stone size and prong spacing should be redrawn together. Simply reducing the outside edge can leave uneven metal or crowd the center prongs.
Only after comparing its actual length, width, depth and outline. Equal carat weight does not mean equal millimeter dimensions, and a different ratio can change both the inner gap and the finished oval appearance.
Approve the finished outside halo length and width as part of the SKU record. New centers can then be screened against that footprint before the setting is redrawn or released to production.
Define the finished face, not only the center carat. In the FLGR-09 development inquiry, send the selected oval measurements and either a target outside halo size or a reference image showing the preferred finger coverage. The first CAD review can then compare the center opening, halo footprint and shoulder entry points against one approved face-up proportion.
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