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Radiant|Lab Grown|IGI

1.51ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG620417160

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

Certificate IGI LG620417160

Diamond specifications and retailer prices

From $235 SGD
As of November 6, 2026
Save $1,121 SGD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,356 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG620417160 or 620417160. Listed at 16 retailers as of November 5, 2026, with prices from $235 to $1,356, a $1,121 spread on the same certified stone. MOH London lists it at $1,356. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620417160
Dimensions7.92 × 5.65 × 3.94 mm
L/W Ratio1.40
Culet sizePointed
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
7.92 mm5.65 mm1.51 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG620417160
Side View
Table 63.0%Crown 38.8°Girdle: STK-THKPavilion 36°Culet: NoneDepth 69.7%

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: Nov 6
Current: $1,356 SGD|Low: $226 SGD|High: $1,383 SGD|Avg: $680 SGD|-1.4%
MOH London
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
November 6, 2026
Retailer 3$235 SGD
Retailer 7$263 SGD
Retailer 10$272 SGD
Retailer 5$291 SGD
Retailer 6$295 SGD
Retailer 4$511 SGD
Retailer 8$520 SGD
Retailer 2$536 SGD
Retailer 14$586 SGD
Retailer 15$623 SGD
Retailer 9$936 SGD
Retailer 11$936 SGD
Retailer 13$988 SGD
Retailer 12$1,307 SGD
MOH London$1,356 SGD

44 data points across 15 retailers

16 retailers$235 SGD to $1,356 SGD

A
Cheapest Retailer
-
$235 SGD
A
Retailer 2
-
$263 SGD
View
Final sale: no returns
A
Retailer 3
-
$272 SGD
View
A
Retailer 4
-
$291 SGD
View
Retailer 5
-
$295 SGD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$511 SGD
View
B+
Retailer 7
-
$520 SGD
View
B+
Retailer 8
-
$536 SGD
View
B+
Retailer 9
-
$586 SGD
View
B+
Retailer 10
-
$623 SGD
View
B+
Retailer 11
-
$936 SGD
View
B
Retailer 12
-
$936 SGD
View
B
Retailer 13
-
$970 SGD
View
B
Retailer 14
-
$988 SGD
View
B
Retailer 15
-
$1,307 SGD
View
Most Expensive
B
MOH London
LG620417160 · Nov 5
$1,356 SGD
£833 GBP
View
15 more retailers have this diamond
Prices start from $235 SGDSave up to $1,121 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
1.51ct Radiant
$235 SGD