Cushion|Lab Grown|IGI

1.51ct G VVS1 Cushion Lab Grown Diamond

EX • G/VVS1 • IGI LG635466090

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG635466090

Diamond specifications and retailer prices

From $727 USD
As of November 4, 2026
Save $1,872 USD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,174 USD at MOH London · As of November 3, 2026
View at MOH London

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG635466090 or 635466090. Listed at 13 retailers as of November 4, 2026, with a 257% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635466090
Dimensions6.60 × 6.55 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.60 mm6.55 mm1.51 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635466090
Side View
Table 63.0%Crown 34.6°Girdle: MED-THKPavilion 40°Culet: NoneDepth 68.5%

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: Nov 4
Current: $3,174 USD|Low: $727 USD|High: $3,349 USD|Avg: $1,567 USD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 3$727 USD
Retailer 12$779 USD
Retailer 10$812 USD
Retailer 5$839 USD
Retailer 13$930 USD
Retailer 9$997 USD
Retailer 2$1,192 USD
Retailer 7$1,265 USD
Retailer 6$1,384 USD
Retailer 8$1,875 USD
Retailer 4$2,346 USD
Retailer 11$2,599 USD
MOH London$3,174 USD

43 data points across 13 retailers

13 retailers$727 USD to $2,599 USD

A
Cheapest Retailer
-
$727 USD
Final sale: no returns
A
Retailer 2
-
$779 USD
View
B+
Retailer 3
-
$812 USD
View
Retailer 4
-
$839 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$930 USD
View
B+
Retailer 6
-
$997 USD
View
B+
Retailer 7
-
$1,192 USD
View
B
Retailer 8
-
$1,265 USD
View
B
Retailer 9
-
$1,384 USD
View
B
Retailer 10
-
$1,875 USD
View
B
Retailer 11
-
$2,346 USD
View
B
Retailer 12
-
$2,599 USD
View
Most Expensive
MOH London
LG635466090 · Nov 3
$3,174 USD
£2,499 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $727 USDSave up to $1,872 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
$727 USD