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Round|Lab Grown|IGI

3.56ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG508123906

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508123906

Diamond specifications and retailer prices

From $810 USD
As of October 29, 2026
Save $2,740 USD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,550 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.56ct lab-grown round diamond

This 3.56ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508123906 or 508123906. Listed at 15 retailers as of October 29, 2026, with prices from $810 to $3,550, a $2,740 spread on the same certified stone. Brilliant Earth lists it at $3,550. 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

3.56
Carat
J
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508123906
Dimensions9.78 × 9.71 × 6.05 mm
L/W Ratio1.01
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
9.78 mm9.71 mm3.56 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508123906
Side View
Table 56.5%Crown 35.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.1%

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 29
Current: $3,550 USD|Low: $810 USD|High: $3,650 USD|Avg: $2,051 USD|-2.7%
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
October 28, 2026
Retailer 9$810 USD
Retailer 11$907 USD
Retailer 3$1,088 USD
Retailer 2$1,115 USD
Retailer 10$1,255 USD
Retailer 8$1,515 USD
Retailer 5$1,886 USD
Retailer 7$2,235 USD
Retailer 12$2,247 USD
Retailer 4$2,367 USD
Retailer 13$3,253 USD
Retailer 6$3,528 USD
Brilliant Earth$3,550 USD

21 data points across 13 retailers

15 retailers$810 USD to $3,550 USD

A
Cheapest Retailer
-
$810 USD
A
Retailer 2
-
$882 USD
View
A
Retailer 3
-
$907 USD
View
Final sale: no returns
Retailer 4
-
$940 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$940 USD
View
A
Retailer 6
-
$1,088 USD
HK$8,500 HKD
View
A
Retailer 7
-
$1,115 USD
View
B+
Retailer 8
-
$1,255 USD
View
B+
Retailer 9
-
$1,515 USD
View
B
Retailer 10
-
$2,235 USD
View
B
Retailer 11
-
$2,247 USD
View
B
Retailer 12
-
$2,643 USD
View
B
Retailer 13
-
$3,253 USD
View
B
Retailer 14
-
$3,528 USD
£2,778 GBP
View
Most Expensive
B
Brilliant Earth
15111198A · Oct 29
$3,550 USD
View
14 more retailers have this diamond
Prices start from $810 USDSave up to $2,740 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
3.56ct Round
$810 USD