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Cushion|Lab Grown|IGI

1.51ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG538289815

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG538289815

Diamond specifications and retailer prices

From $533 NZD
$300 USD
As of November 1, 2026
Save $1,742 NZD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,366 NZD at MOH London · As of October 25, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG538289815 or 538289815. Listed at 13 retailers as of November 1, 2026, with a 327% 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538289815
Dimensions7.19 × 6.98 × 4.35 mm
L/W Ratio1.03
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
7.19 mm6.98 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538289815
Side View
Table 62.5%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.3%

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 1
Current: $2,366 NZD|Low: $533 NZD|High: $2,577 NZD|Avg: $1,411 NZD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3$533 NZD
Retailer 8$590 NZD
Retailer 9$889 NZD
Retailer 11$979 NZD
Retailer 5$1,017 NZD
Retailer 2$1,131 NZD
Retailer 12$1,189 NZD
Retailer 7$1,371 NZD
Retailer 4$2,140 NZD
Retailer 10$2,270 NZD
Retailer 6$2,275 NZD
MOH London$2,366 NZD

41 data points across 12 retailers

13 retailers$533 NZD to $2,275 NZD

A
Cheapest Retailer
-
$533 NZD
$300 USD
Final sale: no returns
Retailer 2
-
$590 NZD
$332 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$883 NZD
$497 USD
View
A
Retailer 4
-
$889 NZD
$500 USD
View
A
Retailer 5
-
$979 NZD
$551 USD
View
A
Retailer 6
-
$1,017 NZD
ZAR 9,242 ZAR
View
A
Retailer 7
-
$1,131 NZD
£501 GBP
View
B+
Retailer 8
-
$1,189 NZD
$669 USD
View
B+
Retailer 9
-
$1,371 NZD
A$1,187 AUD
View
B
Retailer 10
-
$1,986 NZD
$1,118 USD
View
B
Retailer 11
-
$2,270 NZD
$1,277 USD
View
B
Retailer 12
-
$2,275 NZD
$1,280 USD
View
Most Expensive
MOH London
LG538289815 · Oct 25
$2,366 NZD
£1,048 GBP
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from $533 NZDSave up to $1,742 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
$533 NZD