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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 $692 USD
As of October 29, 2026
Save $1,565 USD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,170 USD 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: $3,170 USD|Low: $554 USD|High: $3,190 USD|Avg: $1,460 USD|+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$692 USD
Retailer 6$775 USD
Retailer 2$980 USD
Retailer 9$1,035 USD
Retailer 7$1,105 USD
Retailer 5$1,306 USD
Retailer 8$1,440 USD
Retailer 10$1,718 USD
Retailer 3$1,977 USD
MOH London$3,170 USD

15 data points across 10 retailers

12 retailers$692 USD to $2,257 USD

A
Cheapest Retailer
-
$692 USD
A
Retailer 2
-
$753 USD
View
A
Retailer 3
-
$775 USD
View
Final sale: no returns
Retailer 4
-
$803 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$803 USD
View
A
Retailer 6
-
$980 USD
View
A
Retailer 7
-
$1,105 USD
View
A
Retailer 8
-
$1,306 USD
View
A
Retailer 9
-
$1,440 USD
View
A
Retailer 10
-
$1,977 USD
View
A
Retailer 11
-
$2,257 USD
View
Most Expensive
MOH London
LG542210204 · Oct 21
$3,170 USD
£2,496 GBP
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from $692 USDSave up to $1,565 USD

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
$692 USD