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Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG729555669

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

Certificate IGI LG729555669

Diamond specifications and retailer prices

From $1,453 SGD
$1,136 USD
As of November 2, 2026
Save $4,750 SGD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,203 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG729555669 or 729555669. Listed at 13 retailers as of October 31, 2026, with prices from $1,453 to $6,203, a $4,750 spread on the same certified stone. Brilliant Earth lists it at $6,203. 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729555669
Dimensions8.62 × 8.36 × 5.61 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.62 mm8.36 mm3.09 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729555669
Side View
Table 65.0%Crown 34.9°Girdle: MED-THKPavilion 40°Culet: NoneDepth 67.1%

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: Nov 2
Current: $6,203 SGD|Low: $611 SGD|High: $6,561 SGD|Avg: $2,606 SGD|-5.5%
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
November 2, 2026
Retailer 14$856 SGD
Retailer 5$1,453 SGD
Retailer 13$1,454 SGD
Retailer 11$1,458 SGD
Retailer 7$1,481 SGD
Retailer 8$1,575 SGD
Retailer 9$2,000 SGD
Retailer 2$2,055 SGD
Retailer 4$2,748 SGD
Retailer 12$3,021 SGD
Retailer 3$3,042 SGD
Retailer 6$3,660 SGD
Retailer 10$4,132 SGD
Brilliant Earth$6,203 SGD

42 data points across 14 retailers

13 retailers$1,453 SGD to $6,203 SGD

A
Cheapest Retailer
-
$1,453 SGD
$1,136 USD
A
Retailer 2
-
$1,454 SGD
$1,137 USD
View
A
Retailer 3
-
$1,458 SGD
$1,140 USD
View
A
Retailer 4
-
$1,481 SGD
£912 GBP
View
A
Retailer 5
-
$1,575 SGD
€1,173 EUR
View
B+
Retailer 6
-
$2,000 SGD
A$2,406 AUD
View
A
Retailer 7
-
$2,055 SGD
ZAR 25,965 ZAR
View
Retailer 8
-
$2,748 SGD
£1,692 GBP
View
Price last confirmed 14 days ago
B+
Retailer 9
-
$3,021 SGD
$2,362 USD
View
B+
Retailer 10
-
$3,042 SGD
View
B
Retailer 11
-
$3,660 SGD
$2,862 USD
View
B
Retailer 12
-
$4,132 SGD
£2,544 GBP
View
Most Expensive
B
Brilliant Earth
15885426A · Oct 31
$6,203 SGD
$4,850 USD
View
12 more retailers have this diamond
Prices start from $1,453 SGDSave up to $4,750 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
$1,453 SGD