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Radiant|Lab Grown|IGI

15.40ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG713512551

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

Certificate IGI LG713512551

Diamond specifications and retailer prices

From $5,719 NZD
$3,218 USD
As of October 30, 2026
Save $33,630 NZD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $39,349 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 15.4ct lab-grown radiant diamond

This 15.4ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG713512551 or 713512551. Listed at 13 retailers as of October 30, 2026, with prices from $5,719 to $39,349, a $33,630 spread on the same certified stone. Do Amore Diamonds lists it at $39,349. 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

15.40
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG713512551
Dimensions18.37 × 12.27 × 7.56 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.37 mm12.27 mm15.40 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG713512551
Side View
Table 67.0%Crown 44.5°Girdle: MED-STKPavilion 31°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $9,715 NZD|Low: $5,490 NZD|High: $19,185 NZD|Avg: $9,652 NZD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6$5,719 NZD
Retailer 9$6,222 NZD
Retailer 2$6,405 NZD
Retailer 7$6,633 NZD
Retailer 4$6,638 NZD
Retailer 8$9,150 NZD
Retailer 1$9,715 NZD
Retailer 3$11,333 NZD
Retailer 5$11,615 NZD
Retailer 10$18,148 NZD

41 data points across 10 retailers

13 retailers$5,719 NZD to $39,349 NZD

A
Cheapest Retailer
-
$5,719 NZD
$3,218 USD
A
Retailer 2
-
$6,222 NZD
$3,501 USD
View
A
Retailer 3
-
$6,405 NZD
$3,604 USD
View
Final sale: no returns
A
Retailer 4
-
$6,633 NZD
$3,732 USD
View
Retailer 5
-
$6,633 NZD
$3,732 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$6,638 NZD
$3,735 USD
View
A
Retailer 7
-
$9,150 NZD
$5,148 USD
View
B+
Retailer 8
-
$9,715 NZD
£4,304 GBP
View
B+
Retailer 9
-
$11,333 NZD
ZAR 103,011 ZAR
View
Retailer 10
-
$11,615 NZD
$6,535 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$18,148 NZD
$10,211 USD
View
B
Retailer 12
-
$22,840 NZD
$12,851 USD
View
Most Expensive
B
Do Amore Diamonds
27-E2920F9AC · Nov 1
$39,349 NZD
$22,140 USD
View
12 more retailers have this diamond
Prices start from $5,719 NZDSave up to $33,630 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
15.40ct Radiant
$5,719 NZD