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Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG776616622

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

Certificate IGI LG776616622

Diamond specifications and retailer prices

From $1,054 SGD
£649 GBP
As of November 1, 2026
Save $5,149 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,203 SGD at Brilliant Earth · As of October 28, 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 LG776616622 or 776616622. Listed at 14 retailers as of October 28, 2026, with prices from $1,054 to $6,203, a $5,149 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776616622
Dimensions8.81 × 8.39 × 5.55 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.81 mm8.39 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776616622
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 66.2%

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: $6,203 SGD|Low: $1,054 SGD|High: $6,203 SGD|Avg: $2,589 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
November 1, 2026
Retailer 2$1,054 SGD
Retailer 5$1,453 SGD
Retailer 15$1,454 SGD
Retailer 13$1,458 SGD
Retailer 8$1,469 SGD
Retailer 9$1,575 SGD
Retailer 7$1,625 SGD
Retailer 10$2,000 SGD
Retailer 12$2,037 SGD
Retailer 3$2,748 SGD
Retailer 14$3,021 SGD
Retailer 4$3,042 SGD
Retailer 6$3,660 SGD
Retailer 11$4,132 SGD
Brilliant Earth$6,203 SGD

38 data points across 15 retailers

14 retailers$1,054 SGD to $6,203 SGD

A
Cheapest Retailer
-
$1,054 SGD
£649 GBP
A
Retailer 2
-
$1,453 SGD
$1,136 USD
View
A
Retailer 3
-
$1,454 SGD
$1,137 USD
View
A
Retailer 4
-
$1,458 SGD
$1,140 USD
View
A
Retailer 5
-
$1,469 SGD
£904 GBP
View
A
Retailer 6
-
$1,575 SGD
€1,173 EUR
View
B+
Retailer 7
-
$2,000 SGD
A$2,406 AUD
View
Retailer 8
-
$2,037 SGD
ZAR 25,734 ZAR
View
Price last confirmed 9 days ago
Retailer 9
-
$2,748 SGD
£1,692 GBP
View
Price last confirmed 19 days ago
B+
Retailer 10
-
$3,021 SGD
$2,362 USD
View
B+
Retailer 11
-
$3,042 SGD
View
B
Retailer 12
-
$3,660 SGD
$2,862 USD
View
B
Retailer 13
-
$4,132 SGD
£2,544 GBP
View
Most Expensive
B
Brilliant Earth
18234013A · Oct 28
$6,203 SGD
$4,850 USD
View
13 more retailers have this diamond
Prices start from $1,054 SGDSave up to $5,149 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
$1,054 SGD