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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 $1,110 AUD
$780 USD
As of October 31, 2026
Save $4,729 AUD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,839 AUD 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 $1,110 to $5,839, a $4,729 spread on the same certified stone. Frank Darling lists it at $5,839. 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: $5,839 AUD|Low: $1,110 AUD|High: $7,460 AUD|Avg: $3,029 AUD|-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 2$1,110 AUD
Retailer 14$1,330 AUD
Retailer 8$1,436 AUD
Retailer 9$1,476 AUD
Retailer 12$1,569 AUD
Retailer 10$1,646 AUD
Retailer 5$1,710 AUD
Retailer 7$2,439 AUD
Retailer 4$3,736 AUD
Retailer 11$3,842 AUD
Retailer 3$4,235 AUD
Retailer 13$4,477 AUD
Frank Darling$5,839 AUD
Retailer 6$6,719 AUD

37 data points across 14 retailers

13 retailers$1,110 AUD to $5,839 AUD

A
Cheapest Retailer
-
$1,110 AUD
$780 USD
A
Retailer 2
-
$1,330 AUD
HK$7,300 HKD
View
A
Retailer 3
-
$1,436 AUD
$1,009 USD
View
A
Retailer 4
-
$1,476 AUD
£816 GBP
View
A
Retailer 5
-
$1,569 AUD
$1,102 USD
View
A
Retailer 6
-
$1,646 AUD
€1,101 EUR
View
A
Retailer 7
-
$1,710 AUD
$1,201 USD
View
B+
Retailer 8
-
$2,439 AUD
$1,713 USD
View
Retailer 9
-
$3,736 AUD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
$3,842 AUD
SGD 3,647 SGD
View
Retailer 11
-
$4,235 AUD
$2,975 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$4,477 AUD
£2,476 GBP
View
Most Expensive
B
Frank Darling
129039-BBNG · Oct 31
$5,839 AUD
$4,102 USD
View
12 more retailers have this diamond
Prices start from $1,110 AUDSave up to $4,729 AUD

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
$1,110 AUD