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1.03ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG496100788

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496100788

Diamond specifications and retailer prices

From €364 EUR
$407 USD
As of October 30, 2026
Save €1,004 EUR (73%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,369 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496100788 or 496100788. Listed at 5 retailers as of October 26, 2026, with prices from €364 to €1,369, a €1,004 spread on the same certified stone. MOH London lists it at €1,369. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496100788
Dimensions6.48 × 6.44 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.48 mm6.44 mm1.03 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496100788
Side View
Table 57.0%Crown 35.4°GirdlePavilion 41.1°Culet: NoneDepth 62.5%

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 30
Current: €1,369 EUR|Low: €364 EUR|High: €1,383 EUR|Avg: €671 EUR|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5€364 EUR
Retailer 2€534 EUR
Retailer 4€557 EUR
Retailer 3€605 EUR
MOH London€1,369 EUR

40 data points across 5 retailers

5 retailers€364 EUR to €1,369 EUR

B+
Cheapest Retailer
-
€364 EUR
$407 USD
B
Retailer 2
-
€534 EUR
View
B
Retailer 3
-
€557 EUR
$622 USD
View
B
Retailer 4
-
€605 EUR
£532 GBP
View
Most Expensive
B
MOH London
LG496100788 · Oct 26
€1,369 EUR
£1,204 GBP
View
4 more retailers have this diamond
Prices start from €364 EURSave up to €1,004 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.

B+
1.03ct Round
€364 EUR