Cushion|Lab Grown|IGI

1.51ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG837681197

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

Certificate IGI LG837681197

Diamond specifications and retailer prices

From $256 USD
As of October 25, 2026
Save $1,434 USD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,690 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837681197 or 837681197. Listed at 17 retailers as of October 25, 2026, with prices from $256 to $1,690, a $1,434 spread on the same certified stone. Brilliant Earth lists it at $1,690. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837681197
Dimensions6.59 × 6.58 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.59 mm6.58 mm1.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837681197
Side View
Table 61.0%Crown 35.4°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 68.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $1,690 USD|Low: $256 USD|High: $1,780 USD|Avg: $716 USD|-5.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 7$256 USD
Retailer 14$290 USD
Retailer 16$313 USD
Retailer 3$427 USD
Retailer 6$433 USD
Retailer 12$466 USD
Retailer 11$506 USD
Retailer 2$509 USD
Retailer 5$599 USD
Retailer 10$731 USD
Retailer 8$887 USD
Retailer 9$900 USD
Retailer 17$932 USD
Retailer 4$1,033 USD
Retailer 13$1,113 USD
Retailer 15$1,259 USD
Brilliant Earth$1,690 USD

34 data points across 17 retailers

17 retailers$256 USD to $1,690 USD

A
Cheapest Retailer
-
$256 USD
A
Retailer 2
-
$290 USD
View
Final sale: no returns
A
Retailer 3
-
$313 USD
£246 GBP
View
A
Retailer 4
-
$427 USD
€407 EUR
View
Retailer 5
-
$433 USD
ZAR 6,999 ZAR
View
Price last confirmed 8 days ago
A
Retailer 6
-
$466 USD
View
A
Retailer 7
-
$506 USD
View
A
Retailer 8
-
$509 USD
£401 GBP
View
A
Retailer 9
-
$599 USD
A$921 AUD
View
B+
Retailer 10
-
$731 USD
View
Retailer 11
-
$887 USD
A$1,364 AUD
View
Price last confirmed 23 days ago
Retailer 12
-
$900 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$932 USD
View
B+
Retailer 14
-
$1,033 USD
£813 GBP
View
B+
Retailer 15
-
$1,113 USD
View
B
Retailer 16
-
$1,259 USD
View
Most Expensive
B
Brilliant Earth
21609916A · Oct 29
$1,690 USD
View
16 more retailers have this diamond
Prices start from $256 USDSave up to $1,434 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
1.51ct Cushion
$256 USD