Asscher|Lab Grown|IGI

1.03ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG677505605

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG677505605

Diamond specifications and retailer prices

From $182 USD
As of October 31, 2026
Save $727 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $909 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 LG677505605 or 677505605. Listed at 15 retailers as of October 31, 2026, with prices from $182 to $909, a $727 spread on the same certified stone. MOH London lists it at $909. 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 angle33.1°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677505605
Dimensions5.58 × 5.53 × 3.77 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.58 mm5.53 mm1.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677505605
Side View
Table 64.0%Crown 33.1°Girdle: MediumPavilion 41.4°Culet: NoneDepth 68.2%

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: Oct 31
Current: $909 USD|Low: $174 USD|High: $919 USD|Avg: $446 USD|+11.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 9$182 USD
Retailer 2$194 USD
Retailer 14$194 USD
Retailer 13$234 USD
Retailer 10$316 USD
Retailer 8$341 USD
Retailer 4$353 USD
Retailer 11$369 USD
Retailer 3$513 USD
Retailer 12$515 USD
Retailer 5$584 USD
Retailer 7$625 USD
Retailer 6$650 USD
MOH London$909 USD

39 data points across 14 retailers

15 retailers$182 USD to $909 USD

A
Cheapest Retailer
-
$182 USD
Retailer 2
-
$194 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$194 USD
View
Retailer 4
-
$234 USD
£184 GBP
View
Price last confirmed 15 days ago
A
Retailer 5
-
$316 USD
€301 EUR
View
B+
Retailer 6
-
$341 USD
£268 GBP
View
B+
Retailer 7
-
$353 USD
View
B+
Retailer 8
-
$369 USD
£291 GBP
View
B+
Retailer 9
-
$513 USD
View
B+
Retailer 10
-
$515 USD
View
B
Retailer 11
-
$584 USD
View
B
Retailer 12
-
$625 USD
View
B
Retailer 13
-
$650 USD
View
B
Retailer 14
-
$713 USD
£561 GBP
View
Most Expensive
B
MOH London
LG677505605 · Nov 1
$909 USD
£716 GBP
View
14 more retailers have this diamond
Prices start from $182 USDSave up to $727 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
$182 USD