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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 $2,839 NZD
HK$12,500 HKD
As of October 30, 2026
Save $5,396 NZD (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,401 NZD 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 30, 2026, with a 190% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,401 NZD|Low: $2,679 NZD|High: $8,491 NZD|Avg: $4,606 NZD|+6.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8$2,768 NZD
Retailer 10$2,839 NZD
Retailer 7$2,936 NZD
Retailer 5$2,999 NZD
Retailer 3$3,187 NZD
Retailer 6$3,513 NZD
Retailer 2$3,916 NZD
Retailer 4$6,263 NZD
Retailer 9$8,235 NZD
MOH London$8,401 NZD

38 data points across 10 retailers

10 retailers$2,839 NZD to $8,235 NZD

Retailer 1
-
$2,768 NZD
$1,560 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$2,839 NZD
HK$12,500 HKD
View
Retailer 3
-
$2,936 NZD
$1,655 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$2,999 NZD
$1,690 USD
View
A
Retailer 5
-
$3,187 NZD
£1,414 GBP
View
A
Retailer 6
-
$3,513 NZD
$1,980 USD
View
B+
Retailer 7
-
$3,916 NZD
€2,102 EUR
View
B
Retailer 8
-
$6,263 NZD
ZAR 57,027 ZAR
View
B
Retailer 9
-
$8,235 NZD
SGD 6,272 SGD
View
Most Expensive
MOH London
LG837623419 · Oct 25
$8,401 NZD
£3,728 GBP
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from $2,839 NZDSave up to $5,396 NZD

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
$2,839 NZD