Cushion|Lab Grown|IGI

3.09ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG837623419

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837623419

Diamond specifications and retailer prices

From $1,600 USD
HK$12,500 HKD
As of October 30, 2026
Save $3,135 USD (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,735 USD at MOH London · As of October 25, 2026
View at MOH London

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837623419 or 837623419. Listed at 10 retailers as of October 25, 2026, with prices from $1,600 to $4,735, a $3,135 spread on the same certified stone. MOH London lists it at $4,735. 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
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837623419
Dimensions9.54 × 7.48 × 4.82 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.54 mm7.48 mm3.09 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837623419
Side View
Table 57.0%Crown 36.3°Girdle: STK-THKPavilion 30.6°Culet: NoneDepth 64.4%

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: Oct 30
Current: $4,735 USD|Low: $1,510 USD|High: $4,785 USD|Avg: $2,598 USD|+6.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$1,560 USD
Retailer 10$1,600 USD
Retailer 7$1,655 USD
Retailer 5$1,690 USD
Retailer 2$1,796 USD
Retailer 6$1,980 USD
Retailer 4$2,223 USD
Retailer 3$3,530 USD
Retailer 9$4,641 USD
MOH London$4,735 USD

37 data points across 10 retailers

10 retailers$1,600 USD to $4,735 USD

Retailer 1
-
$1,560 USD
Price last confirmed 36 days ago
A
Retailer 2
-
$1,600 USD
HK$12,500 HKD
View
Retailer 3
-
$1,655 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$1,690 USD
View
A
Retailer 5
-
$1,796 USD
£1,414 GBP
View
A
Retailer 6
-
$1,980 USD
View
B+
Retailer 7
-
$2,223 USD
€2,117 EUR
View
B
Retailer 8
-
$3,530 USD
ZAR 57,027 ZAR
View
B
Retailer 9
-
$4,641 USD
SGD 6,272 SGD
View
Most Expensive
B
MOH London
LG837623419 · Oct 25
$4,735 USD
£3,728 GBP
View
9 more retailers have this diamond
Prices start from $1,600 USDSave up to $3,135 USD

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
$1,600 USD