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Asscher|Lab Grown|IGI

3.00ct J SI1 Asscher Lab Grown Diamond

ID • J/SI1 • IGI LG432012465

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG432012465

Diamond specifications and retailer prices

From $7,863 AUD
$5,523 USD
As of October 31, 2026
Save $8,800 AUD (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $16,662 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 3ct lab-grown asscher diamond

This 3ct lab-grown asscher 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 LG432012465 or 432012465. Listed at 5 retailers as of October 29, 2026, with prices from $7,863 to $16,662, a $8,800 spread on the same certified stone. MOH London lists it at $16,662. 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

3.00
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle16.6°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG432012465
Dimensions8.05 × 7.97 × 4.83 mm
L/W Ratio1.01
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
8.05 mm7.97 mm3.00 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG432012465
Side View
Table 63.5%Crown 16.6°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $16,662 AUD|Low: $7,863 AUD|High: $16,796 AUD|Avg: $10,431 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4$7,863 AUD
Retailer 3$8,146 AUD
Retailer 7$8,179 AUD
Retailer 5$9,003 AUD
Retailer 6$10,493 AUD
Retailer 2$12,590 AUD
MOH London$16,662 AUD

13 data points across 7 retailers

5 retailers$7,863 AUD to $16,662 AUD

B+
Cheapest Retailer
-
$7,863 AUD
$5,523 USD
Final sale: no returns
Retailer 2
-
$8,146 AUD
$5,722 USD
View
Price last confirmed 18 days ago
B+
Retailer 3
-
$8,179 AUD
$5,745 USD
View
B+
Retailer 4
-
$12,590 AUD
$8,844 USD
View
Most Expensive
B
MOH London
LG432012465 · Oct 29
$16,662 AUD
£9,216 GBP
View
4 more retailers have this diamond
Prices start from $7,863 AUDSave up to $8,800 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.

B+
3.00ct Asscher
$7,863 AUD