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Oval|Lab Grown|IGI

1.03ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG440012936

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440012936

Diamond specifications and retailer prices

From $600 USD
As of October 31, 2026
Save $3,430 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,030 USD at MOH London · As of October 27, 2026
View at MOH London

About this 1.03ct lab-grown oval diamond

This 1.03ct lab-grown oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012936 or 440012936. Listed at 10 retailers as of October 27, 2026, with prices from $600 to $4,030, a $3,430 spread on the same certified stone. MOH London lists it at $4,030. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.8°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012936
Dimensions7.91 × 5.72 × 3.65 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.91 mm5.72 mm1.03 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG440012936
Side View
Table 59.5%Crown 31.8°Girdle: MED-STKPavilion 43.1°Culet: NoneDepth 63.8%

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: Oct 31
Current: $4,030 USD|Low: $600 USD|High: $4,078 USD|Avg: $1,899 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$600 USD
Retailer 3$1,023 USD
Retailer 4$1,187 USD
Retailer 6$1,360 USD
Retailer 8$1,702 USD
Retailer 5$1,893 USD
Retailer 7$2,480 USD
MOH London$4,030 USD

12 data points across 8 retailers

10 retailers$600 USD to $4,030 USD

A
Cheapest Retailer
-
$600 USD
B+
Retailer 2
-
$1,023 USD
View
B+
Retailer 3
-
$1,113 USD
View
Retailer 4
-
$1,187 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$1,187 USD
View
B
Retailer 6
-
$1,360 USD
View
B
Retailer 7
-
$1,893 USD
View
B
Retailer 8
-
$2,224 USD
View
B
Retailer 9
-
$2,480 USD
View
Most Expensive
B
MOH London
LG440012936 · Oct 27
$4,030 USD
£3,173 GBP
View
9 more retailers have this diamond
Prices start from $600 USDSave up to $3,430 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 Oval
$600 USD