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Cushion|Lab Grown|IGI

3.51ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG747530629

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG747530629

Diamond specifications and retailer prices

From $1,384 NZD
$780 USD
As of October 31, 2026
Save $5,894 NZD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,278 NZD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG747530629 or 747530629. Listed at 13 retailers as of October 31, 2026, with prices from $1,384 to $7,278, a $5,894 spread on the same certified stone. Frank Darling lists it at $7,278. 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
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747530629
Dimensions8.66 × 8.47 × 5.37 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.66 mm8.47 mm3.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747530629
Side View
Table 62.0%Crown 34.5°Girdle: MED-THKPavilion 33.5°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,278 NZD|Low: $1,384 NZD|High: $8,375 NZD|Avg: $3,772 NZD|-5.4%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 7$1,384 NZD
Retailer 14$1,658 NZD
Retailer 9$1,790 NZD
Retailer 10$1,839 NZD
Retailer 12$1,955 NZD
Retailer 2$2,034 NZD
Retailer 5$2,131 NZD
Retailer 8$3,039 NZD
Retailer 4$4,656 NZD
Retailer 11$4,788 NZD
Retailer 3$5,279 NZD
Retailer 13$5,579 NZD
Frank Darling$7,278 NZD
Retailer 6$8,375 NZD

36 data points across 14 retailers

13 retailers$1,384 NZD to $7,278 NZD

A
Cheapest Retailer
-
$1,384 NZD
$780 USD
A
Retailer 2
-
$1,658 NZD
HK$7,300 HKD
View
A
Retailer 3
-
$1,790 NZD
$1,009 USD
View
A
Retailer 4
-
$1,839 NZD
£816 GBP
View
A
Retailer 5
-
$1,955 NZD
$1,102 USD
View
A
Retailer 6
-
$2,034 NZD
€1,092 EUR
View
A
Retailer 7
-
$2,131 NZD
$1,201 USD
View
B+
Retailer 8
-
$3,039 NZD
$1,713 USD
View
Retailer 9
-
$4,656 NZD
A$4,037 AUD
View
Price last confirmed 23 days ago
B+
Retailer 10
-
$4,788 NZD
SGD 3,647 SGD
View
Retailer 11
-
$5,279 NZD
$2,975 USD
View
Price last confirmed 13 days ago
B
Retailer 12
-
$5,579 NZD
£2,476 GBP
View
Most Expensive
B
Frank Darling
129039-BBNG · Oct 31
$7,278 NZD
$4,102 USD
View
12 more retailers have this diamond
Prices start from $1,384 NZDSave up to $5,894 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
$1,384 NZD