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Radiant|Lab Grown|IGI

10.15ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG724559298

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG724559298

Diamond specifications and retailer prices

From $4,361 NZD
$2,458 USD
As of October 30, 2026
Save $17,037 NZD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $21,398 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 10.15ct lab-grown radiant diamond

This 10.15ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG724559298 or 724559298. Listed at 19 retailers as of October 30, 2026, with prices from $4,361 to $21,398, a $17,037 spread on the same certified stone. Brilliant Earth lists it at $21,398. 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

10.15
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724559298
Dimensions14.79 × 10.42 × 7.28 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.79 mm10.42 mm10.15 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724559298
Side View
Table 64.0%Crown 38.3°Girdle: STK-THKPavilion 31.9°Culet: NoneDepth 69.9%

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 30
Current: $21,398 NZD|Low: $3,291 NZD|High: $22,906 NZD|Avg: $7,879 NZD|-6.6%
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
October 31, 2026
Retailer 8$3,291 NZD
Retailer 13$4,361 NZD
Retailer 4$4,746 NZD
Retailer 6$4,883 NZD
Retailer 14$5,060 NZD
Retailer 12$5,350 NZD
Retailer 5$5,711 NZD
Retailer 2$6,831 NZD
Retailer 3$6,955 NZD
Retailer 11$7,585 NZD
Retailer 9$7,833 NZD
Retailer 16$7,889 NZD
Retailer 10$9,390 NZD
Retailer 7$9,599 NZD
Retailer 15$13,508 NZD
Brilliant Earth$21,398 NZD

45 data points across 16 retailers

19 retailers$4,361 NZD to $21,398 NZD

A
Cheapest Retailer
-
$4,361 NZD
$2,458 USD
A
Retailer 2
-
$4,746 NZD
$2,675 USD
View
A
Retailer 3
-
$4,883 NZD
$2,752 USD
View
Final sale: no returns
A
Retailer 4
-
$5,060 NZD
$2,852 USD
View
Retailer 5
-
$5,060 NZD
$2,852 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$5,350 NZD
$3,015 USD
View
A
Retailer 7
-
$5,711 NZD
$3,219 USD
View
A
Retailer 8
-
$6,831 NZD
£3,032 GBP
View
A
Retailer 9
-
$6,955 NZD
$3,920 USD
View
A
Retailer 10
-
$7,585 NZD
$4,275 USD
View
A
Retailer 11
-
$7,833 NZD
ZAR 71,320 ZAR
View
B+
Retailer 12
-
$7,889 NZD
$4,446 USD
View
Retailer 13
-
$9,390 NZD
A$8,142 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$9,599 NZD
£4,260 GBP
View
B
Retailer 15
-
$13,023 NZD
$7,340 USD
View
B
Retailer 16
-
$13,508 NZD
$7,613 USD
View
B
Retailer 17
-
$14,211 NZD
$8,010 USD
View
B
Retailer 18
-
$17,659 NZD
$9,953 USD
View
Most Expensive
B
Brilliant Earth
17973508A · Oct 30
$21,398 NZD
$12,060 USD
View
18 more retailers have this diamond
Prices start from $4,361 NZDSave up to $17,037 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
10.15ct Radiant
$4,361 NZD