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Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG784639101

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

Certificate IGI LG784639101

Diamond specifications and retailer prices

From $672 SGD
$526 USD
As of November 1, 2026
Save $7,650 SGD (92%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,322 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784639101 or 784639101. Listed at 17 retailers as of October 31, 2026, with prices from $672 to $8,322, a $7,650 spread on the same certified stone. Brilliant Earth lists it at $8,322. 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

3.09
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784639101
Dimensions8.52 × 8.38 × 5.57 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
8.52 mm8.38 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784639101
Side View
Table 63.0%Crown 36.2°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
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: Nov 1
Current: $8,322 SGD|Low: $672 SGD|High: $8,322 SGD|Avg: $2,144 SGD
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 7$672 SGD
Retailer 15$747 SGD
Retailer 16$940 SGD
Retailer 17$1,131 SGD
Retailer 8$1,167 SGD
Retailer 11$1,175 SGD
Retailer 3$1,223 SGD
Retailer 2$1,229 SGD
Retailer 12$1,577 SGD
Retailer 13$1,621 SGD
Retailer 5$1,843 SGD
Retailer 6$2,439 SGD
Retailer 9$2,632 SGD
Retailer 10$2,744 SGD
Retailer 4$2,793 SGD
Retailer 14$3,669 SGD
Brilliant Earth$8,322 SGD

37 data points across 17 retailers

17 retailers$672 SGD to $8,322 SGD

A
Cheapest Retailer
-
$672 SGD
$526 USD
Final sale: no returns
Retailer 2
-
$747 SGD
$584 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$940 SGD
£579 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$1,131 SGD
$885 USD
View
B+
Retailer 5
-
$1,167 SGD
$913 USD
View
A
Retailer 6
-
$1,175 SGD
€875 EUR
View
A
Retailer 7
-
$1,223 SGD
$957 USD
View
A
Retailer 8
-
$1,229 SGD
£757 GBP
View
A
Retailer 9
-
$1,577 SGD
A$1,898 AUD
View
A
Retailer 10
-
$1,621 SGD
ZAR 20,487 ZAR
View
A
Retailer 11
-
$1,843 SGD
$1,442 USD
View
B+
Retailer 12
-
$2,439 SGD
$1,908 USD
View
B+
Retailer 13
-
$2,632 SGD
$2,059 USD
View
B+
Retailer 14
-
$2,744 SGD
£1,690 GBP
View
B+
Retailer 15
-
$2,793 SGD
$2,185 USD
View
B+
Retailer 16
-
$3,669 SGD
$2,870 USD
View
Most Expensive
B
Brilliant Earth
18335227A · Oct 31
$8,322 SGD
$6,510 USD
View
16 more retailers have this diamond
Prices start from $672 SGDSave up to $7,650 SGD

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
3.09ct Cushion
$672 SGD