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Radiant|Lab Grown|IGI

15.16ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG582351465

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

Certificate IGI LG582351465

Diamond specifications and retailer prices

From $2,303 SGD
£1,419 GBP
As of November 2, 2026
Save $3,072 SGD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,376 SGD at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 15.16ct lab-grown radiant diamond

This 15.16ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG582351465 or 582351465. Listed at 13 retailers as of November 1, 2026, with prices from $2,303 to $5,376, a $3,072 spread on the same certified stone. NZ Jewellers lists it at $5,376. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

15.16
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582351465
Dimensions17.73 × 12.12 × 8.01 mm
L/W Ratio1.46
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
17.73 mm12.12 mm15.16 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582351465
Side View
Table 65.0%Crown 44.7°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 66.1%

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 2
Current: $5,376 SGD|Low: $2,303 SGD|High: $63,084 SGD|Avg: $12,581 SGD
NZ Jewellers
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 2$2,303 SGD
Retailer 5$2,472 SGD
Retailer 4$2,690 SGD
Retailer 13$2,867 SGD
Retailer 14$3,081 SGD
Retailer 16$3,371 SGD
Retailer 15$3,707 SGD
Retailer 9$3,912 SGD
Retailer 10$4,491 SGD
Retailer 11$4,564 SGD
Retailer 12$4,710 SGD
NZ Jewellers$5,376 SGD
Retailer 8$13,562 SGD
Retailer 3$19,519 SGD
Retailer 7$31,244 SGD
Retailer 6$63,084 SGD

7 data points across 16 retailers

13 retailers$2,303 SGD to $5,376 SGD

A
Cheapest Retailer
-
$2,303 SGD
£1,419 GBP
A
Retailer 2
-
$2,472 SGD
$1,934 USD
View
A
Retailer 3
-
$2,690 SGD
$2,104 USD
View
A
Retailer 4
-
$2,867 SGD
$2,243 USD
View
A
Retailer 5
-
$3,081 SGD
$2,410 USD
View
B+
Retailer 6
-
$3,371 SGD
HK$20,600 HKD
View
B+
Retailer 7
-
$3,707 SGD
$2,900 USD
View
B+
Retailer 8
-
$3,912 SGD
£2,409 GBP
View
B+
Retailer 9
-
$4,491 SGD
$3,513 USD
View
B
Retailer 10
-
$4,564 SGD
€3,400 EUR
View
B+
Retailer 11
-
$4,710 SGD
$3,684 USD
View
Most Expensive
B
NZ Jewellers
580b4fb6-7132-46dd-9328-ed605ef34208 · Nov 1
$5,376 SGD
$4,205 USD
View
11 more retailers have this diamond
Prices start from $2,303 SGDSave up to $3,072 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
15.16ct Radiant
$2,303 SGD