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Cushion|Lab Grown|IGI

3.51ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG645459123

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG645459123

Diamond specifications and retailer prices

From $1,272 NZD
$717 USD
As of November 1, 2026
Save $8,824 NZD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,096 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645459123 or 645459123. Listed at 14 retailers as of November 1, 2026, with prices from $1,272 to $10,096, a $8,824 spread on the same certified stone. Do Amore Diamonds lists it at $10,096. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.51
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645459123
Dimensions8.89 × 8.51 × 5.50 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.89 mm8.51 mm3.51 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645459123
Side View
Table 62.0%Crown 39.8°Girdle: STK-VTKPavilion 35.7°Culet: NoneDepth 64.6%

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: $10,096 NZD|Low: $1,272 NZD|High: $10,096 NZD|Avg: $3,757 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 10$1,272 NZD
Retailer 7$1,490 NZD
Retailer 8$1,766 NZD
Retailer 4$1,820 NZD
Retailer 12$2,026 NZD
Retailer 2$2,312 NZD
Retailer 9$4,493 NZD
Retailer 3$4,516 NZD
Retailer 11$4,575 NZD
Retailer 5$5,712 NZD
Retailer 6$6,121 NZD
Do Amore Diamonds$10,096 NZD

42 data points across 12 retailers

14 retailers$1,272 NZD to $10,096 NZD

A
Cheapest Retailer
-
$1,272 NZD
$717 USD
Final sale: no returns
A
Retailer 2
-
$1,490 NZD
$840 USD
View
A
Retailer 3
-
$1,600 NZD
$902 USD
View
Retailer 4
-
$1,766 NZD
£784 GBP
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$1,820 NZD
$1,026 USD
View
A
Retailer 6
-
$2,026 NZD
$1,142 USD
View
A
Retailer 7
-
$2,312 NZD
£1,026 GBP
View
B
Retailer 8
-
$4,493 NZD
$2,532 USD
View
B
Retailer 9
-
$4,516 NZD
£2,004 GBP
View
B
Retailer 10
-
$4,575 NZD
$2,578 USD
View
B
Retailer 11
-
$5,209 NZD
$2,936 USD
View
B
Retailer 12
-
$5,712 NZD
£2,535 GBP
View
B
Retailer 13
-
$6,121 NZD
$3,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-0EB6B45EE · Nov 1
$10,096 NZD
$5,690 USD
View
13 more retailers have this diamond
Prices start from $1,272 NZDSave up to $8,824 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
3.51ct Cushion
$1,272 NZD