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Asscher|Lab Grown|IGI

1.03ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG770615568

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG770615568

Diamond specifications and retailer prices

From $133 USD
As of November 2, 2026
Save $1,240 USD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,373 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.03ct lab-grown asscher diamond

This 1.03ct 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 LG770615568 or 770615568. Listed at 12 retailers as of November 1, 2026, with prices from $133 to $1,373, a $1,240 spread on the same certified stone. MOH London lists it at $1,373. 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

1.03
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle45.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770615568
Dimensions5.46 × 5.43 × 3.77 mm
L/W Ratio1.01
Culet sizePointed
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
5.46 mm5.43 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770615568
Side View
Table 60.0%Crown 36.4°Girdle: MediumPavilion 45.8°Culet: NoneDepth 69.4%

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: Nov 2
Current: $1,373 USD|Low: $133 USD|High: $1,417 USD|Avg: $440 USD|+66.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$133 USD
Retailer 9$159 USD
Retailer 10$298 USD
Retailer 3$311 USD
Retailer 2$327 USD
Retailer 6$412 USD
Retailer 5$429 USD
Retailer 4$529 USD
Retailer 8$650 USD
MOH London$1,373 USD

30 data points across 10 retailers

12 retailers$133 USD to $1,373 USD

A
Cheapest Retailer
-
$133 USD
A
Retailer 2
-
$159 USD
View
Final sale: no returns
Retailer 3
-
$164 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$311 USD
View
Retailer 5
-
$327 USD
€311 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$412 USD
View
B+
Retailer 7
-
$429 USD
View
B+
Retailer 8
-
$529 USD
View
Retailer 9
-
$540 USD
View
Price last confirmed 30 days ago
B
Retailer 10
-
$650 USD
View
Retailer 11
-
$790 USD
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
LG770615568 · Nov 1
$1,373 USD
£1,081 GBP
View
11 more retailers have this diamond
Prices start from $133 USDSave up to $1,240 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
1.03ct Asscher
$133 USD