Round|Lab Grown|IGI

3.03ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG542210204

Shape and cutting style on the report: Round brilliant

Certificate IGI LG542210204

Diamond specifications and retailer prices

From €619 EUR
$692 USD
As of October 29, 2026
Save €1,401 EUR (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,837 EUR at MOH London · As of October 21, 2026
View at MOH London

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542210204 or 542210204. Listed at 12 retailers as of October 29, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.03
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542210204
Dimensions9.24 × 9.17 × 5.76 mm
L/W Ratio1.01
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
9.24 mm9.17 mm3.03 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542210204
Side View
Table 55.5%Crown 36.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 62.6%

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: Oct 29
Current: €2,837 EUR|Low: €496 EUR|High: €2,856 EUR|Avg: €1,307 EUR|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 4€619 EUR
Retailer 6€694 EUR
Retailer 2€877 EUR
Retailer 9€926 EUR
Retailer 7€989 EUR
Retailer 5€1,169 EUR
Retailer 8€1,289 EUR
Retailer 10€1,537 EUR
Retailer 3€1,770 EUR
MOH London€2,837 EUR

15 data points across 10 retailers

12 retailers€619 EUR to €2,020 EUR

A
Cheapest Retailer
-
€619 EUR
$692 USD
A
Retailer 2
-
€674 EUR
$753 USD
View
A
Retailer 3
-
€694 EUR
$775 USD
View
Final sale: no returns
Retailer 4
-
€719 EUR
$803 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€719 EUR
$803 USD
View
A
Retailer 6
-
€877 EUR
$980 USD
View
A
Retailer 7
-
€989 EUR
$1,105 USD
View
A
Retailer 8
-
€1,169 EUR
$1,306 USD
View
A
Retailer 9
-
€1,289 EUR
$1,440 USD
View
A
Retailer 10
-
€1,770 EUR
$1,977 USD
View
A
Retailer 11
-
€2,020 EUR
$2,257 USD
View
Most Expensive
MOH London
LG542210204 · Oct 21
€2,837 EUR
£2,496 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from €619 EURSave up to €1,401 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
3.03ct Round
€619 EUR