Radiant|Lab Grown|IGI

15.06ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG786691221

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

Certificate IGI LG786691221

Diamond specifications and retailer prices

From $4,162 NZD
£1,844 GBP
As of October 27, 2026
Save $20,651 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $24,813 NZD at With Clarity · As of November 2, 2026
View at With Clarity

About this 15.06ct lab-grown radiant diamond

This 15.06ct lab-grown radiant 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 LG786691221 or 786691221. Listed at 13 retailers as of October 27, 2026, with prices from $4,162 to $24,813, a $20,651 spread on the same certified stone. With Clarity lists it at $24,813. 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

15.06
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786691221
Dimensions18.38 × 12.09 × 7.70 mm
L/W Ratio1.52
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.38 mm12.09 mm15.06 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786691221
Side View
Table 64.0%Crown 42.2°Girdle: MediumPavilion 35.1°Culet: NoneDepth 63.7%

Caratlytics Score

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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: $6,995 NZD|Low: $4,147 NZD|High: $27,273 NZD|Avg: $12,168 NZD|-17.8%
Retailer 1
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
With Clarity
November 2, 2026
Retailer 10$4,162 NZD
Retailer 5$4,987 NZD
Retailer 13$5,456 NZD
Retailer 7$5,869 NZD
Retailer 1$6,995 NZD
Retailer 11$7,965 NZD
Retailer 2$8,048 NZD
Retailer 6$8,437 NZD
Retailer 12$9,586 NZD
Retailer 14$10,850 NZD
Retailer 3$14,490 NZD
Retailer 4$18,024 NZD
Retailer 8$18,806 NZD
Retailer 9$19,408 NZD
With Clarity$24,813 NZD

32 data points across 15 retailers

13 retailers$4,162 NZD to $24,813 NZD

A
Cheapest Retailer
-
$4,162 NZD
£1,844 GBP
Retailer 2
-
$5,456 NZD
$3,070 USD
View
Price last confirmed 6 days ago
A
Retailer 3
-
$5,869 NZD
HK$25,800 HKD
View
B+
Retailer 4
-
$6,995 NZD
$3,936 USD
View
Retailer 5
-
$7,965 NZD
ZAR 72,403 ZAR
View
Price last confirmed 9 days ago
Retailer 6
-
$8,048 NZD
$4,528 USD
View
Price last confirmed 7 days ago
Retailer 7
-
$9,586 NZD
A$8,298 AUD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$10,850 NZD
$6,105 USD
View
Retailer 9
-
$14,490 NZD
$8,153 USD
View
Price last confirmed 8 days ago
Retailer 10
-
$18,024 NZD
$10,141 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$18,806 NZD
$10,581 USD
View
B
Retailer 12
-
$19,408 NZD
$10,920 USD
View
Most Expensive
B
With Clarity
786691221 · Nov 2
$24,813 NZD
$13,961 USD
View
12 more retailers have this diamond
Prices start from $4,162 NZDSave up to $20,651 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
15.06ct Radiant
$4,162 NZD