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Round|Lab Grown|IGI

3.20ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG485136560

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136560

Diamond specifications and retailer prices

From $1,790 USD
As of October 31, 2026
Save $11,631 USD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $13,421 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.2ct lab-grown round diamond

This 3.2ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485136560 or 485136560. Listed at 11 retailers as of October 29, 2026, with prices from $1,790 to $13,421, a $11,631 spread on the same certified stone. MOH London lists it at $13,421. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.20
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136560
Dimensions9.57 × 9.54 × 5.63 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
9.57 mm9.54 mm3.20 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485136560
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.0%

Caratlytics Score

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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 31
Current: $13,421 USD|Low: $1,790 USD|High: $13,528 USD|Avg: $7,685 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,790 USD
Retailer 4$5,656 USD
Retailer 6$6,334 USD
Retailer 7$6,565 USD
Retailer 8$7,007 USD
Retailer 3$7,938 USD
Retailer 9$8,452 USD
Retailer 5$10,128 USD
MOH London$13,421 USD

16 data points across 9 retailers

11 retailers$1,790 USD to $13,421 USD

A
Cheapest Retailer
-
$1,790 USD
B+
Retailer 2
-
$5,656 USD
View
B+
Retailer 3
-
$5,927 USD
View
B+
Retailer 4
-
$6,334 USD
View
Final sale: no returns
Retailer 5
-
$6,560 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$6,560 USD
View
B+
Retailer 7
-
$6,565 USD
View
B
Retailer 8
-
$7,788 USD
View
B
Retailer 9
-
$7,938 USD
View
B
Retailer 10
-
$10,128 USD
View
Most Expensive
B
MOH London
LG485136560 · Oct 29
$13,421 USD
£10,568 GBP
View
10 more retailers have this diamond
Prices start from $1,790 USDSave up to $11,631 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
3.20ct Round
$1,790 USD