CaratHunter
Plans
Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG828654239

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG828654239

Diamond specifications and retailer prices

From $692 SGD
£426 GBP
As of November 2, 2026
Save $2,825 SGD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,517 SGD at Brilliant Earth · As of November 2, 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 LG828654239 or 828654239. Listed at 15 retailers as of November 2, 2026, with prices from $692 to $3,517, a $2,825 spread on the same certified stone. Brilliant Earth lists it at $3,517. 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 angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828654239
Dimensions9.16 × 8.85 × 5.46 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.16 mm8.85 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828654239
Side View
Table 66.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,517 SGD|Low: $643 SGD|High: $3,517 SGD|Avg: $1,653 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 2, 2026
Retailer 6$643 SGD
Retailer 8$692 SGD
Retailer 3$812 SGD
Retailer 13$834 SGD
Retailer 11$1,015 SGD
Retailer 9$1,020 SGD
Retailer 4$1,309 SGD
Retailer 2$1,355 SGD
Retailer 14$1,362 SGD
Retailer 15$2,046 SGD
Retailer 12$2,175 SGD
Retailer 10$2,430 SGD
Retailer 7$2,573 SGD
Retailer 5$2,686 SGD
Brilliant Earth$3,517 SGD

27 data points across 15 retailers

15 retailers$692 SGD to $3,517 SGD

Retailer 1
-
$643 SGD
$503 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$692 SGD
£426 GBP
View
A
Retailer 3
-
$812 SGD
$635 USD
View
B+
Retailer 4
-
$834 SGD
$652 USD
View
A
Retailer 5
-
$1,015 SGD
€756 EUR
View
A
Retailer 6
-
$1,020 SGD
£628 GBP
View
A
Retailer 7
-
$1,309 SGD
A$1,575 AUD
View
A
Retailer 8
-
$1,355 SGD
ZAR 17,113 ZAR
View
A
Retailer 9
-
$1,362 SGD
$1,065 USD
View
B+
Retailer 10
-
$2,046 SGD
$1,600 USD
View
B+
Retailer 11
-
$2,175 SGD
$1,701 USD
View
B+
Retailer 12
-
$2,430 SGD
£1,496 GBP
View
Retailer 13
-
$2,573 SGD
View
Price last confirmed 26 days ago
B+
Retailer 14
-
$2,686 SGD
$2,100 USD
View
Most Expensive
B
Brilliant Earth
21721451A · Nov 2
$3,517 SGD
$2,750 USD
View
14 more retailers have this diamond
Prices start from $692 SGDSave up to $2,825 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
$692 SGD