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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 $1,290 NZD
As of November 4, 2026
Save $3,321 NZD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,630 NZD 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
Colour
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: $5,630 NZD|Low: $1,290 NZD|High: $5,941 NZD|Avg: $2,779 NZD|-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$1,290 NZD
Retailer 12$1,382 NZD
Retailer 10$1,440 NZD
Retailer 5$1,488 NZD
Retailer 13$1,650 NZD
Retailer 9$1,769 NZD
Retailer 2$2,115 NZD
Retailer 7$2,244 NZD
Retailer 6$2,455 NZD
Retailer 8$3,326 NZD
Retailer 4$4,162 NZD
Retailer 11$4,611 NZD
MOH London$5,630 NZD

43 data points across 13 retailers

13 retailers$1,290 NZD to $4,611 NZD

A
Cheapest Retailer
-
$1,290 NZD
Final sale: no returns
A
Retailer 2
-
$1,382 NZD
View
B+
Retailer 3
-
$1,440 NZD
View
Retailer 4
-
$1,488 NZD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$1,650 NZD
View
B+
Retailer 6
-
$1,769 NZD
View
B+
Retailer 7
-
$2,115 NZD
View
B
Retailer 8
-
$2,244 NZD
View
B
Retailer 9
-
$2,455 NZD
View
B
Retailer 10
-
$3,326 NZD
View
B
Retailer 11
-
$4,162 NZD
View
B
Retailer 12
-
$4,611 NZD
View
Most Expensive
MOH London
LG635466090 · Nov 3
$5,630 NZD
£2,499 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $1,290 NZDSave up to $3,321 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
1.51ct Cushion
$1,290 NZD