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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 $1,061 NZD
As of November 5, 2026
Save $4,630 NZD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,691 NZD at MOH London · As of November 5, 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 November 5, 2026, with prices from $1,061 to $5,691, a $4,630 spread on the same certified stone. MOH London lists it at $5,691. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,691 NZD|Low: $1,061 NZD|High: $5,775 NZD|Avg: $2,355 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$1,061 NZD
Retailer 2$1,064 NZD
Retailer 7$1,187 NZD
Retailer 5$1,315 NZD
Retailer 8$1,551 NZD
Retailer 6$2,019 NZD
Retailer 9$2,080 NZD
Retailer 3$3,261 NZD
Retailer 10$3,519 NZD
MOH London$5,691 NZD

16 data points across 10 retailers

11 retailers$1,061 NZD to $5,691 NZD

A
Cheapest Retailer
-
$1,061 NZD
A
Retailer 2
-
$1,064 NZD
View
A
Retailer 3
-
$1,187 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,187 NZD
View
Retailer 5
-
$1,315 NZD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,315 NZD
View
A
Retailer 7
-
$1,551 NZD
View
B+
Retailer 8
-
$2,019 NZD
View
B
Retailer 9
-
$3,261 NZD
View
B
Retailer 10
-
$3,458 NZD
View
Most Expensive
B
MOH London
LG436074842 · Nov 5
$5,691 NZD
£2,484 GBP
View
10 more retailers have this diamond
Prices start from $1,061 NZDSave up to $4,630 NZD

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
$1,061 NZD