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 €140 EUR
As of November 4, 2026
Save €668 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €808 EUR at MOH London · As of November 4, 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 16 retailers as of November 4, 2026, with prices from €140 to €808, a €668 spread on the same certified stone. MOH London lists it at €808. 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
Colour
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

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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 4
Current: €808 EUR|Low: €140 EUR|High: €819 EUR|Avg: €395 EUR|+11.7%
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
Retailer 15
Retailer 16
November 5, 2026
Retailer 10€140 EUR
Retailer 13€162 EUR
Retailer 4€173 EUR
Retailer 11€173 EUR
Retailer 3€208 EUR
Retailer 14€282 EUR
Retailer 2€300 EUR
Retailer 6€315 EUR
Retailer 15€329 EUR
Retailer 5€457 EUR
Retailer 16€459 EUR
Retailer 7€520 EUR
Retailer 12€557 EUR
Retailer 8€579 EUR
Retailer 9€588 EUR
MOH London€808 EUR

39 data points across 16 retailers

16 retailers€140 EUR to €808 EUR

A
Cheapest Retailer
-
€140 EUR
A
Retailer 2
-
€162 EUR
View
Retailer 3
-
€173 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€173 EUR
View
A
Retailer 5
-
€282 EUR
View
B+
Retailer 6
-
€300 EUR
View
B+
Retailer 7
-
€315 EUR
View
B+
Retailer 8
-
€329 EUR
View
B+
Retailer 9
-
€457 EUR
View
B+
Retailer 10
-
€459 EUR
View
B
Retailer 11
-
€520 EUR
View
B
Retailer 12
-
€557 EUR
View
B
Retailer 13
-
€579 EUR
View
B
Retailer 14
-
€588 EUR
View
B
Retailer 15
-
€634 EUR
View
Most Expensive
B
MOH London
LG677505605 · Nov 4
€808 EUR
£714 GBP
View
15 more retailers have this diamond
Prices start from €140 EURSave up to €668 EUR

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
€140 EUR