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Oval|Lab Grown|IGI

10.40ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG597369042

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG597369042

Diamond specifications and retailer prices

From $1,939 AUD
$1,362 USD
As of October 27, 2026
Save $8,767 AUD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,705 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.4ct lab-grown oval diamond

This 10.4ct 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 LG597369042 or 597369042. Listed at 17 retailers as of October 27, 2026, with prices from $1,939 to $10,705, a $8,767 spread on the same certified stone. Brilliant Earth lists it at $10,705. 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

10.40
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597369042
Dimensions17.86 × 12.42 × 7.44 mm
L/W Ratio1.44
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
17.86 mm12.42 mm10.40 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597369042
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.9%

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: Oct 27
Current: $10,705 AUD|Low: $1,862 AUD|High: $11,033 AUD|Avg: $4,341 AUD|-3.0%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 16$1,939 AUD
Retailer 10$2,019 AUD
Retailer 14$2,110 AUD
Retailer 15$2,249 AUD
Retailer 17$2,249 AUD
Retailer 11$2,491 AUD
Retailer 5$2,987 AUD
Retailer 2$3,482 AUD
Retailer 4$3,555 AUD
Retailer 12$3,764 AUD
Retailer 6$3,825 AUD
Retailer 13$4,165 AUD
Retailer 3$4,217 AUD
Retailer 7$5,424 AUD
Retailer 8$7,249 AUD
Retailer 9$7,907 AUD
Brilliant Earth$10,705 AUD

34 data points across 17 retailers

17 retailers$1,939 AUD to $10,705 AUD

A
Cheapest Retailer
-
$1,939 AUD
$1,362 USD
A
Retailer 2
-
$2,019 AUD
£1,117 GBP
View
A
Retailer 3
-
$2,110 AUD
$1,482 USD
View
A
Retailer 4
-
$2,249 AUD
$1,580 USD
View
Retailer 5
-
$2,249 AUD
$1,580 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$2,491 AUD
$1,750 USD
View
A
Retailer 7
-
$2,987 AUD
$2,098 USD
View
A
Retailer 8
-
$3,482 AUD
ZAR 39,518 ZAR
View
B+
Retailer 9
-
$3,555 AUD
$2,497 USD
View
A
Retailer 10
-
$3,764 AUD
€2,518 EUR
View
A
Retailer 11
-
$3,825 AUD
$2,687 USD
View
Retailer 12
-
$4,165 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
$4,217 AUD
$2,962 USD
View
B+
Retailer 14
-
$5,424 AUD
£3,000 GBP
View
B
Retailer 15
-
$7,249 AUD
$5,092 USD
View
B+
Retailer 16
-
$7,907 AUD
$5,554 USD
View
Most Expensive
B
Brilliant Earth
8058324A · Oct 29
$10,705 AUD
$7,520 USD
View
16 more retailers have this diamond
Prices start from $1,939 AUDSave up to $8,767 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
10.40ct Oval
$1,939 AUD