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Radiant|Lab Grown|IGI

15.05ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG812631214

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

Certificate IGI LG812631214

Diamond specifications and retailer prices

From $4,003 SGD
$3,131 USD
As of November 1, 2026
Save $12,404 SGD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $16,407 SGD at Adiamor · As of October 31, 2026
View at Adiamor

About this 15.05ct lab-grown radiant diamond

This 15.05ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812631214 or 812631214. Listed at 6 retailers as of October 31, 2026, with prices from $4,003 to $16,407, a $12,404 spread on the same certified stone. Adiamor lists it at $16,407. 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

15.05
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812631214
Dimensions18.05 × 12.36 × 7.92 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.05 mm12.36 mm15.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812631214
Side View
Table 72.0%Crown 38.5°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 64.1%

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: Nov 1
Current: $16,407 SGD|Low: $4,003 SGD|High: $16,592 SGD|Avg: $7,758 SGD|-0.9%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6$4,003 SGD
Retailer 2$4,286 SGD
Retailer 4$4,490 SGD
Retailer 3$4,968 SGD
Retailer 5$10,981 SGD
Adiamor$16,407 SGD

43 data points across 6 retailers

6 retailers$4,003 SGD to $16,407 SGD

A
Cheapest Retailer
-
$4,003 SGD
$3,131 USD
A
Retailer 2
-
$4,286 SGD
£2,640 GBP
View
B+
Retailer 3
-
$4,490 SGD
$3,512 USD
View
A
Retailer 4
-
$4,968 SGD
€3,701 EUR
View
B+
Retailer 5
-
$10,981 SGD
$8,590 USD
View
Most Expensive
B
Adiamor
D-82354041 · Oct 31
$16,407 SGD
$12,834 USD
View
5 more retailers have this diamond
Prices start from $4,003 SGDSave up to $12,404 SGD

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
15.05ct Radiant
$4,003 SGD