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Cushion|Lab Grown|IGI

1.51ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG634413049

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG634413049

Diamond specifications and retailer prices

From $652 NZD
£289 GBP
As of November 2, 2026
Save $2,773 NZD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,424 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634413049 or 634413049. Listed at 11 retailers as of November 2, 2026, with prices from $652 to $3,424, a $2,773 spread on the same certified stone. Do Amore Diamonds lists it at $3,424. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634413049
Dimensions7.00 × 6.55 × 4.46 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm6.55 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634413049
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 68.1%

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 2
Current: $3,424 NZD|Low: $652 NZD|High: $3,424 NZD|Avg: $1,461 NZD
Do Amore Diamonds
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 2$652 NZD
Retailer 11$676 NZD
Retailer 9$768 NZD
Retailer 5$842 NZD
Retailer 10$898 NZD
Retailer 6$1,139 NZD
Retailer 7$1,526 NZD
Retailer 4$1,589 NZD
Retailer 12$1,874 NZD
Retailer 8$1,965 NZD
Retailer 3$2,244 NZD
Do Amore Diamonds$3,424 NZD

32 data points across 12 retailers

11 retailers$652 NZD to $3,424 NZD

A
Cheapest Retailer
-
$652 NZD
£289 GBP
A
Retailer 2
-
$676 NZD
$381 USD
View
B+
Retailer 3
-
$768 NZD
$433 USD
View
A
Retailer 4
-
$842 NZD
ZAR 7,671 ZAR
View
A
Retailer 5
-
$898 NZD
$506 USD
View
A
Retailer 6
-
$1,139 NZD
A$988 AUD
View
B+
Retailer 7
-
$1,526 NZD
$860 USD
View
Retailer 8
-
$1,561 NZD
$880 USD
View
Price last confirmed 28 days ago
B
Retailer 9
-
$1,874 NZD
$1,056 USD
View
B+
Retailer 10
-
$1,965 NZD
£872 GBP
View
Most Expensive
B
Do Amore Diamonds
27-AC15B4CCC · Nov 2
$3,424 NZD
$1,930 USD
View
10 more retailers have this diamond
Prices start from $652 NZDSave up to $2,773 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
$652 NZD