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Cushion|Lab Grown|IGI

0.99ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG764610721

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG764610721

Diamond specifications and retailer prices

From $199 USD
As of October 30, 2026
Save $1,312 USD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,511 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG764610721 or 764610721. Listed at 19 retailers as of October 27, 2026, with prices from $199 to $1,511, a $1,312 spread on the same certified stone. Queensmith lists it at $1,511. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764610721
Dimensions5.78 × 5.72 × 3.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.78 mm5.72 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764610721
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 67.8%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $395 USD|Low: $199 USD|High: $1,041 USD|Avg: $461 USD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$199 USD
Retailer 10$220 USD
Retailer 11$298 USD
Retailer 1$395 USD
Retailer 6$398 USD
Retailer 4$412 USD
Retailer 2$459 USD
Retailer 8$535 USD
Retailer 7$549 USD
Retailer 9$552 USD
Retailer 5$1,035 USD

43 data points across 11 retailers

19 retailers$199 USD to $1,511 USD

A
Cheapest Retailer
-
$199 USD
Final sale: no returns
A
Retailer 2
-
$220 USD
View
A
Retailer 3
-
$243 USD
HK$1,900 HKD
View
A
Retailer 4
-
$298 USD
View
A
Retailer 5
-
$351 USD
View
A
Retailer 6
-
$395 USD
£311 GBP
View
A
Retailer 7
-
$398 USD
ZAR 6,426 ZAR
View
A
Retailer 8
-
$412 USD
€392 EUR
View
A
Retailer 9
-
$459 USD
View
Retailer 10
-
$535 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$549 USD
A$844 AUD
View
B+
Retailer 12
-
$552 USD
View
B+
Retailer 13
-
$601 USD
SGD 812 SGD
View
B+
Retailer 14
-
$731 USD
View
B
Retailer 15
-
$762 USD
View
B
Retailer 16
-
$1,035 USD
£815 GBP
View
B
Retailer 17
-
$1,122 USD
View
B
Retailer 18
-
$1,143 USD
£900 GBP
View
Most Expensive
B
Queensmith
LG764610721 · Oct 27
$1,511 USD
£1,190 GBP
View
18 more retailers have this diamond
Prices start from $199 USDSave up to $1,312 USD

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
$199 USD