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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 $2,417 NZD
$1,362 USD
As of October 27, 2026
Save $10,926 NZD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,343 NZD 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 $2,417 to $13,343, a $10,926 spread on the same certified stone. Brilliant Earth lists it at $13,343. 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: $13,343 NZD|Low: $2,321 NZD|High: $13,751 NZD|Avg: $5,402 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 3$2,417 NZD
Retailer 13$2,517 NZD
Retailer 11$2,630 NZD
Retailer 2$2,803 NZD
Retailer 17$2,803 NZD
Retailer 14$3,105 NZD
Retailer 5$3,722 NZD
Retailer 12$4,340 NZD
Retailer 4$4,430 NZD
Retailer 15$4,691 NZD
Retailer 6$4,768 NZD
Retailer 16$5,191 NZD
Retailer 10$5,255 NZD
Retailer 7$6,760 NZD
Retailer 8$9,035 NZD
Retailer 9$9,855 NZD
Brilliant Earth$13,343 NZD

35 data points across 17 retailers

17 retailers$2,417 NZD to $13,343 NZD

A
Cheapest Retailer
-
$2,417 NZD
$1,362 USD
A
Retailer 2
-
$2,517 NZD
£1,117 GBP
View
A
Retailer 3
-
$2,630 NZD
$1,482 USD
View
A
Retailer 4
-
$2,803 NZD
$1,580 USD
View
Retailer 5
-
$2,803 NZD
$1,580 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$3,105 NZD
$1,750 USD
View
A
Retailer 7
-
$3,722 NZD
$2,098 USD
View
A
Retailer 8
-
$4,340 NZD
ZAR 39,518 ZAR
View
B+
Retailer 9
-
$4,430 NZD
$2,497 USD
View
A
Retailer 10
-
$4,691 NZD
€2,518 EUR
View
A
Retailer 11
-
$4,768 NZD
$2,687 USD
View
Retailer 12
-
$5,191 NZD
A$4,501 AUD
View
Price last confirmed 10 days ago
A
Retailer 13
-
$5,255 NZD
$2,962 USD
View
B+
Retailer 14
-
$6,760 NZD
£3,000 GBP
View
B
Retailer 15
-
$9,035 NZD
$5,092 USD
View
B+
Retailer 16
-
$9,855 NZD
$5,554 USD
View
Most Expensive
B
Brilliant Earth
8058324A · Oct 29
$13,343 NZD
$7,520 USD
View
16 more retailers have this diamond
Prices start from $2,417 NZDSave up to $10,926 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
10.40ct Oval
$2,417 NZD