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Radiant|Lab Grown|IGI

15.00ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG592319903

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

Certificate IGI LG592319903

Diamond specifications and retailer prices

From $5,429 NZD
$3,060 USD
As of October 31, 2026
Save $20,529 NZD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $25,958 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15ct lab-grown radiant diamond

This 15ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG592319903 or 592319903. Listed at 14 retailers as of October 31, 2026, with prices from $5,429 to $25,958, a $20,529 spread on the same certified stone. Brilliant Earth lists it at $25,958. 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

15.00
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592319903
Dimensions17.06 × 12.11 × 8.33 mm
L/W Ratio1.41
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
17.06 mm12.11 mm15.00 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592319903
Side View
Table 68.0%Crown 46°Girdle: MediumPavilion 35.8°Culet: NoneDepth 68.8%

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 31
Current: $25,958 NZD|Low: $4,959 NZD|High: $41,040 NZD|Avg: $10,978 NZD|-36.7%
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
November 1, 2026
Retailer 13$4,959 NZD
Retailer 12$5,137 NZD
Retailer 7$5,429 NZD
Retailer 3$6,258 NZD
Retailer 2$6,878 NZD
Retailer 8$7,700 NZD
Retailer 11$8,007 NZD
Retailer 6$8,404 NZD
Retailer 5$9,735 NZD
Retailer 9$11,072 NZD
Retailer 10$13,714 NZD
Retailer 4$22,317 NZD
Brilliant Earth$25,958 NZD

41 data points across 13 retailers

14 retailers$5,429 NZD to $25,958 NZD

Retailer 1
-
$5,137 NZD
$2,895 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$5,429 NZD
$3,060 USD
View
A
Retailer 3
-
$6,258 NZD
$3,527 USD
View
A
Retailer 4
-
$6,878 NZD
£3,052 GBP
View
Retailer 5
-
$7,112 NZD
£3,156 GBP
View
Price last confirmed 20 days ago
A
Retailer 6
-
$7,700 NZD
$4,340 USD
View
A
Retailer 7
-
$8,007 NZD
$4,513 USD
View
A
Retailer 8
-
$8,404 NZD
€4,511 EUR
View
B+
Retailer 9
-
$9,735 NZD
£4,320 GBP
View
Retailer 10
-
$11,072 NZD
$6,240 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$13,714 NZD
$7,729 USD
View
Retailer 12
-
$17,923 NZD
$10,102 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
$22,317 NZD
$12,578 USD
View
Most Expensive
B
Brilliant Earth
7811180A · Oct 31
$25,958 NZD
$14,630 USD
View
13 more retailers have this diamond
Prices start from $5,429 NZDSave up to $20,529 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
15.00ct Radiant
$5,429 NZD