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Radiant|Lab Grown|IGI

15.43ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG830608326

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

Certificate IGI LG830608326

Diamond specifications and retailer prices

From $7,563 NZD
HK$33,300 HKD
As of November 1, 2026
Save $21,030 NZD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $49,822 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.43ct lab-grown radiant diamond

This 15.43ct 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 LG830608326 or 830608326. Listed at 8 retailers as of November 1, 2026, with a 278% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

15.43
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830608326
Dimensions17.92 × 12.15 × 7.97 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.92 mm12.15 mm15.43 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830608326
Side View
Table 66.0%Crown 45.4°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.6%

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: Nov 1
Current: $49,822 NZD|Low: $7,563 NZD|High: $51,366 NZD|Avg: $17,871 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$7,563 NZD
Retailer 5$9,166 NZD
Retailer 3$9,173 NZD
Retailer 6$10,112 NZD
Retailer 4$11,568 NZD
Retailer 2$12,095 NZD
Retailer 7$28,593 NZD
Brilliant Earth$49,822 NZD

10 data points across 8 retailers

8 retailers$7,563 NZD to $28,593 NZD

A
Cheapest Retailer
-
$7,563 NZD
HK$33,300 HKD
A
Retailer 2
-
$9,166 NZD
$5,166 USD
View
A
Retailer 3
-
$9,173 NZD
$5,170 USD
View
B+
Retailer 4
-
$10,112 NZD
$5,699 USD
View
Retailer 5
-
$11,568 NZD
$6,520 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$12,095 NZD
A$10,487 AUD
View
B
Retailer 7
-
$28,593 NZD
$16,115 USD
View
Most Expensive
Brilliant Earth
21149856A · Oct 31
$49,822 NZD
$28,080 USD
View
Price under review
7 more retailers have this diamond
Prices start from $7,563 NZDSave up to $21,030 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
15.43ct Radiant
$7,563 NZD