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Oval|Lab Grown|IGI

10.23ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG804633851

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804633851

Diamond specifications and retailer prices

From $2,030 AUD
$1,426 USD
As of October 29, 2026
Save $8,490 AUD (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $10,520 AUD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 10.23ct lab-grown oval diamond

This 10.23ct lab-grown oval sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG804633851 or 804633851. Listed at 3 retailers as of October 26, 2026, with prices from $2,030 to $10,520, a $8,490 spread on the same certified stone. Brilliant Earth lists it at $10,520. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.23
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804633851
Dimensions18.16 × 12.47 × 7.41 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.16 mm12.47 mm10.23 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804633851
Side View
Table 60.0%Crown 34.3°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 59.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $10,520 AUD|Low: $2,030 AUD|High: $12,535 AUD|Avg: $7,528 AUD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 26, 2026
Retailer 3$2,030 AUD
Retailer 2$3,046 AUD
Retailer 6$3,489 AUD
Retailer 7$7,730 AUD
Retailer 5$8,169 AUD
Brilliant Earth$10,520 AUD
Retailer 4$12,535 AUD

31 data points across 7 retailers

3 retailers$2,030 AUD to $10,520 AUD

A
Cheapest Retailer
-
$2,030 AUD
$1,426 USD
Final sale: no returns
A
Retailer 2
-
$3,046 AUD
£1,685 GBP
View
Most Expensive
B
Brilliant Earth
20013607A · Oct 26
$10,520 AUD
$7,390 USD
View
2 more retailers have this diamond
Prices start from $2,030 AUDSave up to $8,490 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
10.23ct Oval
$2,030 AUD