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Round|Lab Grown|IGI

1.03ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG754510252

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754510252

Diamond specifications and retailer prices

From $134 USD
As of November 5, 2026
Save $1,252 USD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,386 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 LG754510252 or 754510252. Listed at 14 retailers as of November 2, 2026, with prices from $134 to $1,386, a $1,252 spread on the same certified stone. MOH London lists it at $1,386. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510252
Dimensions6.42 × 6.39 × 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 Type IIa
Top View
6.42 mm6.39 mm1.03 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510252
Side View
Table 57.0%Crown 36.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.9%

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 5
Current: $1,386 USD|Low: $125 USD|High: $1,393 USD|Avg: $394 USD|+1.3%
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
Retailer 14
November 6, 2026
Retailer 13$134 USD
Retailer 12$155 USD
Retailer 5$164 USD
Retailer 11$166 USD
Retailer 7$277 USD
Retailer 4$313 USD
Retailer 2$317 USD
Retailer 8$320 USD
Retailer 6$325 USD
Retailer 14$413 USD
Retailer 9$470 USD
Retailer 10$533 USD
Retailer 3$563 USD
MOH London$1,386 USD

44 data points across 14 retailers

14 retailers$134 USD to $1,386 USD

A
Cheapest Retailer
-
$134 USD
A
Retailer 2
-
$155 USD
View
Retailer 3
-
$164 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$166 USD
View
A
Retailer 5
-
$277 USD
View
A
Retailer 6
-
$313 USD
View
Retailer 7
-
$317 USD
View
A
Retailer 8
-
$320 USD
View
B+
Retailer 9
-
$325 USD
View
B+
Retailer 10
-
$413 USD
View
B
Retailer 11
-
$470 USD
View
B
Retailer 12
-
$533 USD
View
B
Retailer 13
-
$563 USD
View
Most Expensive
B
MOH London
LG754510252 · Nov 2
$1,386 USD
£1,091 GBP
View
13 more retailers have this diamond
Prices start from $134 USDSave up to $1,252 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
$134 USD