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Round|Lab Grown|IGI

1.03ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG631466942

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631466942

Diamond specifications and retailer prices

From $144 USD
As of November 1, 2026
Save $694 USD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $838 USD at MOH London · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG631466942 or 631466942. Listed at 12 retailers as of November 1, 2026, with prices from $144 to $838, a $694 spread on the same certified stone. MOH London lists it at $838. 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
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631466942
Dimensions6.50 × 6.45 × 4.01 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
6.50 mm6.45 mm1.03 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631466942
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

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 1
Current: $838 USD|Low: $144 USD|High: $889 USD|Avg: $360 USD|-4.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12$144 USD
Retailer 11$168 USD
Retailer 3$170 USD
Retailer 10$179 USD
Retailer 4$188 USD
Retailer 2$308 USD
Retailer 8$329 USD
Retailer 6$333 USD
Retailer 5$500 USD
Retailer 9$576 USD
Retailer 7$608 USD
MOH London$838 USD

42 data points across 12 retailers

12 retailers$144 USD to $838 USD

A
Cheapest Retailer
-
$144 USD
A
Retailer 2
-
$168 USD
View
A
Retailer 3
-
$170 USD
View
Final sale: no returns
A
Retailer 4
-
$179 USD
View
Retailer 5
-
$188 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$308 USD
£242 GBP
View
B+
Retailer 7
-
$329 USD
View
B+
Retailer 8
-
$333 USD
View
B+
Retailer 9
-
$500 USD
View
B
Retailer 10
-
$576 USD
View
B
Retailer 11
-
$608 USD
View
Most Expensive
B
MOH London
LG631466942 · Nov 2
$838 USD
£660 GBP
View
11 more retailers have this diamond
Prices start from $144 USDSave up to $694 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
1.03ct Round
$144 USD