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Radiant|Lab Grown|IGI

15.51ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG617499488

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG617499488

Diamond specifications and retailer prices

From $3,632 SGD
$2,841 USD
As of October 30, 2026
Save $13,633 SGD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $17,265 SGD at Adiamor · As of October 31, 2026
View at Adiamor

About this 15.51ct lab-grown radiant diamond

This 15.51ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617499488 or 617499488. Listed at 16 retailers as of October 30, 2026, with prices from $3,632 to $17,265, a $13,633 spread on the same certified stone. Adiamor lists it at $17,265. 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

15.51
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.3°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617499488
Dimensions16.36 × 11.67 × 7.63 mm
L/W Ratio1.40
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.36 mm11.67 mm15.51 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617499488
Side View
Table 66.0%Crown 27.3°Girdle: MED-STKPavilion 32.6°Culet: LNGDepth 65.4%

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 30
Current: $17,265 SGD|Low: $3,486 SGD|High: $17,339 SGD|Avg: $5,705 SGD|-0.4%
Adiamor
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
November 1, 2026
Retailer 12$3,632 SGD
Retailer 11$3,952 SGD
Retailer 3$4,067 SGD
Retailer 5$4,214 SGD
Retailer 9$4,214 SGD
Retailer 6$4,940 SGD
Retailer 8$5,382 SGD
Retailer 13$5,518 SGD
Retailer 2$5,645 SGD
Retailer 10$5,791 SGD
Retailer 14$6,553 SGD
Retailer 7$6,678 SGD
Retailer 4$11,728 SGD
Adiamor$17,265 SGD

42 data points across 14 retailers

16 retailers$3,632 SGD to $17,265 SGD

A
Cheapest Retailer
-
$3,632 SGD
$2,841 USD
A
Retailer 2
-
$3,952 SGD
$3,091 USD
View
A
Retailer 3
-
$4,067 SGD
$3,181 USD
View
Final sale: no returns
A
Retailer 4
-
$4,214 SGD
$3,296 USD
View
Retailer 5
-
$4,214 SGD
$3,296 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$4,940 SGD
$3,864 USD
View
A
Retailer 7
-
$5,382 SGD
$4,210 USD
View
A
Retailer 8
-
$5,518 SGD
$4,316 USD
View
A
Retailer 9
-
$5,645 SGD
£3,477 GBP
View
A
Retailer 10
-
$5,791 SGD
$4,530 USD
View
B+
Retailer 11
-
$6,553 SGD
$5,126 USD
View
B+
Retailer 12
-
$6,678 SGD
€4,975 EUR
View
Retailer 13
-
$8,892 SGD
$6,956 USD
View
Price last confirmed 39 days ago
B
Retailer 14
-
$11,728 SGD
$9,174 USD
View
B
Retailer 15
-
$14,681 SGD
$11,484 USD
View
Most Expensive
B
Adiamor
D-69792673 · Oct 31
$17,265 SGD
$13,505 USD
View
15 more retailers have this diamond
Prices start from $3,632 SGDSave up to $13,633 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
15.51ct Radiant
$3,632 SGD