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Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG582360738

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG582360738

Diamond specifications and retailer prices

From $790 SGD
£487 GBP
As of November 1, 2026
Save $5,399 SGD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,190 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 LG582360738 or 582360738. Listed at 11 retailers as of October 31, 2026, with prices from $790 to $6,190, a $5,399 spread on the same certified stone. Brilliant Earth lists it at $6,190. 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 angle34.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582360738
Dimensions8.38 × 8.34 × 5.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.38 mm8.34 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582360738
Side View
Table 61.0%Crown 34.8°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 63.7%

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: $6,190 SGD|Low: $641 SGD|High: $6,382 SGD|Avg: $1,692 SGD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 4$641 SGD
Retailer 2$790 SGD
Retailer 11$1,074 SGD
Retailer 6$1,092 SGD
Retailer 3$1,095 SGD
Retailer 12$1,114 SGD
Retailer 5$1,165 SGD
Retailer 7$1,467 SGD
Retailer 10$1,533 SGD
Retailer 8$1,684 SGD
Retailer 9$2,636 SGD
Brilliant Earth$6,190 SGD

27 data points across 12 retailers

11 retailers$790 SGD to $6,190 SGD

A
Cheapest Retailer
-
$790 SGD
£487 GBP
A
Retailer 2
-
$1,092 SGD
€813 EUR
View
B+
Retailer 3
-
$1,114 SGD
$871 USD
View
A
Retailer 4
-
$1,165 SGD
£717 GBP
View
A
Retailer 5
-
$1,467 SGD
$1,147 USD
View
Retailer 6
-
$1,533 SGD
ZAR 19,369 ZAR
View
Price last confirmed 19 days ago
A
Retailer 7
-
$1,684 SGD
$1,317 USD
View
B+
Retailer 8
-
$2,324 SGD
$1,817 USD
View
B+
Retailer 9
-
$2,538 SGD
$1,984 USD
View
Retailer 10
-
$2,636 SGD
£1,623 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
14086535A · Oct 31
$6,190 SGD
$4,840 USD
View
10 more retailers have this diamond
Prices start from $790 SGDSave up to $5,399 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
$790 SGD