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Round|Lab Grown|IGI

3.03ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG666413562

Shape and cutting style on the report: Round brilliant

Certificate IGI LG666413562

Diamond specifications and retailer prices

From $380 USD
As of November 5, 2026
Save $1,463 USD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,843 USD at MOH London · As of November 1, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG666413562 or 666413562. Listed at 13 retailers as of November 1, 2026, with prices from $380 to $1,843, a $1,463 spread on the same certified stone. MOH London lists it at $1,843. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666413562
Dimensions9.43 × 9.29 × 5.72 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.43 mm9.29 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666413562
Side View
Table 57.0%Crown 34.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.4%

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: Nov 5
Current: $1,843 USD|Low: $365 USD|High: $1,971 USD|Avg: $845 USD|-5.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 7$380 USD
Retailer 3$426 USD
Retailer 5$451 USD
Retailer 9$471 USD
Retailer 10$471 USD
Retailer 6$620 USD
Retailer 12$751 USD
Retailer 13$777 USD
Retailer 2$842 USD
Retailer 4$936 USD
Retailer 8$1,322 USD
Retailer 11$1,516 USD
MOH London$1,843 USD

44 data points across 13 retailers

13 retailers$380 USD to $1,843 USD

A
Cheapest Retailer
-
$380 USD
A
Retailer 2
-
$426 USD
View
A
Retailer 3
-
$451 USD
View
Final sale: no returns
Retailer 4
-
$471 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$471 USD
View
A
Retailer 6
-
$620 USD
View
B+
Retailer 7
-
$751 USD
View
A
Retailer 8
-
$777 USD
View
A
Retailer 9
-
$842 USD
View
A
Retailer 10
-
$936 USD
View
B+
Retailer 11
-
$1,322 USD
View
B+
Retailer 12
-
$1,516 USD
View
Most Expensive
B
MOH London
LG666413562 · Nov 1
$1,843 USD
£1,451 GBP
View
12 more retailers have this diamond
Prices start from $380 USDSave up to $1,463 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
$380 USD