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Oval|Lab Grown|IGI

1.03ct D SI2 Oval Lab Grown Diamond

EX • D/SI2 • IGI LG579366178

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG579366178

Diamond specifications and retailer prices

From $523 NZD
As of November 5, 2026
Save $943 NZD (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,466 NZD at MOH London · As of November 2, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579366178 or 579366178. Listed at 7 retailers as of November 2, 2026, with prices from $523 to $1,466, a $943 spread on the same certified stone. MOH London lists it at $1,466. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579366178
Dimensions8.07 × 5.84 × 3.59 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.07 mm5.84 mm1.03 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579366178
Side View
Table 58.0%Crown 31.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.5%

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 5
Current: $1,466 NZD|Low: $496 NZD|High: $2,557 NZD|Avg: $794 NZD|-42.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7$523 NZD
Retailer 2$530 NZD
Retailer 5$584 NZD
Retailer 3$595 NZD
Retailer 4$866 NZD
Retailer 6$893 NZD
MOH London$1,466 NZD

43 data points across 7 retailers

7 retailers$523 NZD to $1,466 NZD

A
Cheapest Retailer
-
$523 NZD
A
Retailer 2
-
$530 NZD
View
A
Retailer 3
-
$584 NZD
View
Retailer 4
-
$595 NZD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$866 NZD
View
B+
Retailer 6
-
$893 NZD
View
Most Expensive
B
MOH London
LG579366178 · Nov 2
$1,466 NZD
£640 GBP
View
6 more retailers have this diamond
Prices start from $523 NZDSave up to $943 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
$523 NZD