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Oval|Lab Grown|IGI

1.03ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG787621777

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787621777

Diamond specifications and retailer prices

From $811 AUD
$570 USD
As of October 29, 2026
2 retailers carry this diamond
Most expensive: $811 AUD at Brilliant Earth
View at Brilliant Earth

About this 1.03ct lab-grown oval diamond

This 1.03ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787621777 or 787621777. Listed at 2 retailers as of October 29, 2026. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787621777
Dimensions8.44 × 5.74 × 3.40 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm5.74 mm1.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787621777
Side View
Table 56.0%Crown 31.4°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 59.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $811 AUD|Low: $384 AUD|High: $811 AUD|Avg: $551 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
September 2, 2026
Retailer 5$384 AUD
Retailer 7$413 AUD
Retailer 3$423 AUD
Retailer 4$423 AUD
Retailer 2$503 AUD
Retailer 6$608 AUD
Retailer 8$663 AUD
Retailer 9$673 AUD
Brilliant Earth$811 AUD

30 data points across 9 retailers

2 retailers

Retailer 1
-
$673 AUD
$473 USD
Price last confirmed 81 days ago
Most Expensive
B
Brilliant Earth
20047342A · Oct 29
$811 AUD
$570 USD
View
1 more retailer has this diamond

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.

B
1.03ct Oval
$811 AUD