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Cushion|Lab Grown|IGI

0.99ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG816643754

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816643754

Diamond specifications and retailer prices

From $639 NZD
€343 EUR
As of October 27, 2026
Save $294 NZD (32%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $933 NZD at Friendly Diamonds · As of October 26, 2026
View at Friendly Diamonds

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion sits in the just-under-one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816643754 or 816643754. Listed at 4 retailers as of October 26, 2026, with prices from $639 to $933, a $294 spread on the same certified stone. Friendly Diamonds lists it at $933. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816643754
Dimensions7.09 × 5.19 × 3.58 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.09 mm5.19 mm0.99 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816643754
Side View
Table 61.0%Crown 31.3°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 69.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $933 NZD|Low: $506 NZD|High: $1,331 NZD|Avg: $780 NZD|-1.3%
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 4$506 NZD
Retailer 7$598 NZD
Retailer 2$639 NZD
Retailer 5$657 NZD
Retailer 6$678 NZD
Retailer 3$887 NZD
Friendly Diamonds$933 NZD
Retailer 8$1,331 NZD

14 data points across 8 retailers

4 retailers$639 NZD to $933 NZD

Retailer 1
-
$506 NZD
$285 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$639 NZD
€343 EUR
View
Retailer 3
-
$887 NZD
$500 USD
View
Price last confirmed 14 days ago
Most Expensive
B+
Friendly Diamonds
5360854 · Oct 26
$933 NZD
$526 USD
View
3 more retailers have this diamond
Prices start from $639 NZDSave up to $294 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.99ct Cushion
$639 NZD