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Round|Lab Grown|IGI

1.03ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG492123228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123228

Diamond specifications and retailer prices

From €483 EUR
As of November 5, 2026
Save €2,009 EUR (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,492 EUR at MOH London · As of November 5, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492123228 or 492123228. Listed at 10 retailers as of November 5, 2026, with prices from €483 to €2,492, a €2,009 spread on the same certified stone. MOH London lists it at €2,492. 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
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123228
Dimensions6.49 × 6.46 × 4.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.49 mm6.46 mm1.03 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123228
Side View
Table 57.5%Crown 34.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.1%

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 5
Current: €2,492 EUR|Low: €463 EUR|High: €2,528 EUR|Avg: €1,005 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4€483 EUR
Retailer 2€526 EUR
Retailer 9€591 EUR
Retailer 5€599 EUR
Retailer 7€599 EUR
Retailer 8€657 EUR
Retailer 6€924 EUR
Retailer 10€1,252 EUR
Retailer 3€1,544 EUR
MOH London€2,492 EUR

15 data points across 10 retailers

10 retailers€483 EUR to €2,492 EUR

A
Cheapest Retailer
-
€483 EUR
A
Retailer 2
-
€526 EUR
View
A
Retailer 3
-
€541 EUR
View
Retailer 4
-
€599 EUR
View
Price last confirmed 21 days ago
A
Retailer 5
-
€599 EUR
View
A
Retailer 6
-
€657 EUR
View
Final sale: no returns
B+
Retailer 7
-
€924 EUR
View
B
Retailer 8
-
€1,544 EUR
View
B
Retailer 9
-
€1,574 EUR
View
Most Expensive
B
MOH London
LG492123228 · Nov 5
€2,492 EUR
£2,202 GBP
View
9 more retailers have this diamond
Prices start from €483 EURSave up to €2,009 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 Round
€483 EUR