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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 €485 EUR
$542 USD
As of October 29, 2026
Save €2,028 EUR (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,513 EUR at MOH London · As of October 25, 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 October 25, 2026, with prices from €485 to €2,513, a €2,028 spread on the same certified stone. MOH London lists it at €2,513. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €2,513 EUR|Low: €465 EUR|High: €2,540 EUR|Avg: €1,012 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4€485 EUR
Retailer 2€528 EUR
Retailer 9€593 EUR
Retailer 5€602 EUR
Retailer 7€602 EUR
Retailer 8€660 EUR
Retailer 6€928 EUR
Retailer 10€1,258 EUR
Retailer 3€1,551 EUR
MOH London€2,513 EUR

14 data points across 10 retailers

10 retailers€485 EUR to €2,513 EUR

A
Cheapest Retailer
-
€485 EUR
$542 USD
A
Retailer 2
-
€528 EUR
$590 USD
View
A
Retailer 3
-
€543 EUR
$607 USD
View
Retailer 4
-
€602 EUR
$672 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€602 EUR
$672 USD
View
A
Retailer 6
-
€660 EUR
$737 USD
View
Final sale: no returns
B+
Retailer 7
-
€928 EUR
$1,037 USD
View
B
Retailer 8
-
€1,551 EUR
$1,733 USD
View
B
Retailer 9
-
€1,582 EUR
$1,767 USD
View
Most Expensive
B
MOH London
LG492123228 · Oct 25
€2,513 EUR
£2,211 GBP
View
9 more retailers have this diamond
Prices start from €485 EURSave up to €2,028 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
€485 EUR