Asscher|Lab Grown|IGI

1.02ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG603338088

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG603338088

Diamond specifications and retailer prices

From $710 USD
£559 GBP
As of October 31, 2026
Save $50 USD (7%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $760 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.02ct lab-grown asscher diamond

This 1.02ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG603338088 or 603338088. Listed at 2 retailers as of October 31, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.02
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603338088
Dimensions5.53 × 5.52 × 3.64 mm
L/W Ratio1.00
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.53 mm5.52 mm1.02 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603338088
Side View
Table 63.0%Crown 36.9°Girdle: MediumPavilion 38.1°Culet: NoneDepth 65.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $760 USD|Low: $575 USD|High: $760 USD|Avg: $678 USD
Brilliant Earth
Retailer 2
December 30, 2025
Retailer 2$575 USD
Brilliant Earth$760 USD

5 data points across 2 retailers

2 retailers$710 USD to $760 USD

B
Cheapest Retailer
-
$710 USD
£559 GBP
Most Expensive
B
Brilliant Earth
8923084Y · Oct 31
$760 USD
View
1 more retailer has this diamond
Prices start from $710 USDSave up to $50 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.

B
1.02ct Asscher
$710 USD