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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 $2,557 AUD
As of November 5, 2026
Save $16,461 AUD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $19,018 AUD at MOH London · As of November 5, 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 November 5, 2026, with prices from $2,557 to $19,018, a $16,461 spread on the same certified stone. MOH London lists it at $19,018. 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
Colour
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: Nov 5
Current: $19,018 AUD|Low: $2,557 AUD|High: $19,325 AUD|Avg: $11,004 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$2,557 AUD
Retailer 4$8,080 AUD
Retailer 6$9,048 AUD
Retailer 7$9,378 AUD
Retailer 8$10,009 AUD
Retailer 3$11,339 AUD
Retailer 9$12,072 AUD
Retailer 5$14,468 AUD
MOH London$19,018 AUD

16 data points across 9 retailers

11 retailers$2,557 AUD to $19,018 AUD

A
Cheapest Retailer
-
$2,557 AUD
B+
Retailer 2
-
$8,080 AUD
View
B+
Retailer 3
-
$8,467 AUD
View
B+
Retailer 4
-
$9,048 AUD
View
Final sale: no returns
Retailer 5
-
$9,371 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$9,371 AUD
View
B+
Retailer 7
-
$9,378 AUD
View
B
Retailer 8
-
$11,125 AUD
View
B
Retailer 9
-
$11,339 AUD
View
B
Retailer 10
-
$14,468 AUD
View
Most Expensive
B
MOH London
LG485136560 · Nov 5
$19,018 AUD
£10,483 GBP
View
10 more retailers have this diamond
Prices start from $2,557 AUDSave up to $16,461 AUD

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
$2,557 AUD