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Oval|Lab Grown|IGI

1.03ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445036447

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036447

Diamond specifications and retailer prices

From $873 AUD
As of November 6, 2026
Save $2,736 AUD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,865 AUD 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 LG445036447 or 445036447. Listed at 11 retailers as of November 4, 2026, with a 313% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SymmetryVery Good
FluorescenceNone
Crown angle35.3°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036447
Dimensions8.16 × 5.49 × 3.54 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.16 mm5.49 mm1.03 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445036447
Side View
Table 59.5%Crown 35.3°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 64.5%

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 6
Current: $5,865 AUD|Low: $873 AUD|High: $5,935 AUD|Avg: $2,693 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$873 AUD
Retailer 4$1,489 AUD
Retailer 7$1,666 AUD
Retailer 5$1,728 AUD
Retailer 8$1,728 AUD
Retailer 9$1,979 AUD
Retailer 11$2,477 AUD
Retailer 6$2,755 AUD
Retailer 10$3,609 AUD
Retailer 3$4,944 AUD
MOH London$5,865 AUD

11 data points across 11 retailers

11 retailers$873 AUD to $3,609 AUD

A
Cheapest Retailer
-
$873 AUD
B+
Retailer 2
-
$1,489 AUD
View
B+
Retailer 3
-
$1,620 AUD
View
B+
Retailer 4
-
$1,666 AUD
View
Final sale: no returns
Retailer 5
-
$1,728 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,728 AUD
View
B
Retailer 7
-
$1,979 AUD
View
B
Retailer 8
-
$2,755 AUD
View
B
Retailer 9
-
$3,237 AUD
View
B
Retailer 10
-
$3,609 AUD
View
Most Expensive
MOH London
LG445036447 · Oct 27
$5,865 AUD
£3,173 GBP
View
Price last confirmed 10 days ago
10 more retailers have this diamond
Prices start from $873 AUDSave up to $2,736 AUD

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
$873 AUD