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Oval|Lab Grown|IGI

1.03ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG497158280

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497158280

Diamond specifications and retailer prices

From $1,082 NZD
As of November 6, 2026
Save $6,157 NZD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,239 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497158280 or 497158280. Listed at 11 retailers as of November 5, 2026, with prices from $1,082 to $7,239, a $6,157 spread on the same certified stone. MOH London lists it at $7,239. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497158280
Dimensions8.01 × 5.66 × 3.53 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.01 mm5.66 mm1.03 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497158280
Side View
Table 55.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

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 6
Current: $7,239 NZD|Low: $1,082 NZD|High: $7,356 NZD|Avg: $3,521 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 2$1,082 NZD
Retailer 3$1,845 NZD
Retailer 6$2,065 NZD
Retailer 4$2,141 NZD
Retailer 7$2,453 NZD
Retailer 9$3,070 NZD
Retailer 5$3,415 NZD
Retailer 8$4,474 NZD
Retailer 10$6,128 NZD
MOH London$7,239 NZD

14 data points across 10 retailers

11 retailers$1,082 NZD to $7,239 NZD

A
Cheapest Retailer
-
$1,082 NZD
B+
Retailer 2
-
$1,845 NZD
View
B+
Retailer 3
-
$2,008 NZD
View
B+
Retailer 4
-
$2,065 NZD
View
Final sale: no returns
B+
Retailer 5
-
$2,141 NZD
View
Retailer 6
-
$2,141 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,453 NZD
View
B
Retailer 8
-
$3,415 NZD
View
B
Retailer 9
-
$4,012 NZD
View
B
Retailer 10
-
$4,474 NZD
View
Most Expensive
B
MOH London
LG497158280 · Nov 5
$7,239 NZD
£3,160 GBP
View
10 more retailers have this diamond
Prices start from $1,082 NZDSave up to $6,157 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
$1,082 NZD