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Oval|Lab Grown|IGI

1.03ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG436074842

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436074842

Diamond specifications and retailer prices

From $588 USD
As of November 1, 2026
Save $2,593 USD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,181 USD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074842 or 436074842. Listed at 11 retailers as of October 29, 2026, with prices from $588 to $3,181, a $2,593 spread on the same certified stone. MOH London lists it at $3,181. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074842
Dimensions7.92 × 5.60 × 3.50 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.92 mm5.60 mm1.03 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436074842
Side View
Table 57.5%Crown 35.1°Girdle: STK-VTKPavilion 40.9°Culet: NoneDepth 62.5%

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: $3,181 USD|Low: $588 USD|High: $3,202 USD|Avg: $1,299 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$588 USD
Retailer 2$590 USD
Retailer 7$658 USD
Retailer 5$729 USD
Retailer 8$860 USD
Retailer 6$1,119 USD
Retailer 9$1,153 USD
Retailer 3$1,808 USD
Retailer 10$1,952 USD
MOH London$3,181 USD

16 data points across 10 retailers

11 retailers$588 USD to $3,181 USD

A
Cheapest Retailer
-
$588 USD
A
Retailer 2
-
$590 USD
View
A
Retailer 3
-
$658 USD
View
Final sale: no returns
A
Retailer 4
-
$658 USD
View
Retailer 5
-
$729 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$729 USD
View
A
Retailer 7
-
$860 USD
View
B+
Retailer 8
-
$1,119 USD
View
B
Retailer 9
-
$1,808 USD
View
B
Retailer 10
-
$1,917 USD
View
Most Expensive
B
MOH London
LG436074842 · Oct 29
$3,181 USD
£2,505 GBP
View
10 more retailers have this diamond
Prices start from $588 USDSave up to $2,593 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
$588 USD