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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 $3,333 AUD
£1,844 GBP
As of October 27, 2026
Save $16,542 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $19,875 AUD at With Clarity · As of November 1, 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 $3,333 to $19,875, a $16,542 spread on the same certified stone. With Clarity lists it at $19,875. 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

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 27
Current: $4,701 AUD|Low: $3,322 AUD|High: $21,845 AUD|Avg: $9,776 AUD|-10.7%
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 1, 2026
Retailer 9$3,333 AUD
Retailer 5$3,995 AUD
Retailer 12$4,370 AUD
Retailer 1$4,701 AUD
Retailer 2$5,652 AUD
Retailer 10$6,380 AUD
Retailer 14$6,446 AUD
Retailer 6$6,758 AUD
Retailer 11$7,678 AUD
Retailer 13$8,691 AUD
Retailer 3$11,607 AUD
Retailer 4$14,437 AUD
Retailer 7$15,063 AUD
Retailer 8$15,546 AUD
With Clarity$19,875 AUD

31 data points across 15 retailers

13 retailers$3,333 AUD to $19,875 AUD

A
Cheapest Retailer
-
$3,333 AUD
£1,844 GBP
A
Retailer 2
-
$4,370 AUD
$3,070 USD
View
A
Retailer 3
-
$4,701 AUD
HK$25,800 HKD
View
B+
Retailer 4
-
$5,652 AUD
$3,970 USD
View
Retailer 5
-
$6,380 AUD
ZAR 72,403 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$6,446 AUD
$4,528 USD
View
Retailer 7
-
$7,678 AUD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$8,691 AUD
$6,105 USD
View
Retailer 9
-
$11,607 AUD
$8,153 USD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$14,437 AUD
$10,141 USD
View
B
Retailer 11
-
$15,063 AUD
$10,581 USD
View
B
Retailer 12
-
$15,546 AUD
$10,920 USD
View
Most Expensive
B
With Clarity
786691221 · Nov 1
$19,875 AUD
$13,961 USD
View
12 more retailers have this diamond
Prices start from $3,333 AUDSave up to $16,542 AUD

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
$3,333 AUD