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Radiant|Lab Grown|IGI

0.51ct H SI2 Radiant Lab Grown Diamond

VG • H/SI2 • IGI LG539229152

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

Certificate IGI LG539229152

Diamond specifications and retailer prices

From $159 SGD
$124 USD
As of October 30, 2026
Save $1,489 SGD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,648 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG539229152 or 539229152. Listed at 13 retailers as of October 26, 2026, with prices from $159 to $1,648, a $1,489 spread on the same certified stone. MOH London lists it at $1,648. 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

0.51
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539229152
Dimensions5.26 × 3.87 × 2.73 mm
L/W Ratio1.36
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
5.26 mm3.87 mm0.51 ctH / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG539229152
Side View
Table 62.0%Crown 38°Girdle: THK-VTKPavilion 31°Culet: NoneDepth 70.5%

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 30
Current: $1,648 SGD|Low: $152 SGD|High: $1,664 SGD|Avg: $453 SGD|-0.9%
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
October 30, 2026
Retailer 8$159 SGD
Retailer 4$178 SGD
Retailer 12$184 SGD
Retailer 9$210 SGD
Retailer 13$210 SGD
Retailer 2$358 SGD
Retailer 10$377 SGD
Retailer 5$393 SGD
Retailer 6$476 SGD
Retailer 3$488 SGD
Retailer 11$633 SGD
Retailer 7$669 SGD
MOH London$1,648 SGD

18 data points across 13 retailers

13 retailers$159 SGD to $1,648 SGD

A
Cheapest Retailer
-
$159 SGD
$124 USD
B+
Retailer 2
-
$178 SGD
$139 USD
View
Final sale: no returns
B+
Retailer 3
-
$184 SGD
$144 USD
View
B+
Retailer 4
-
$210 SGD
$164 USD
View
B+
Retailer 5
-
$210 SGD
$164 USD
View
B+
Retailer 6
-
$358 SGD
$280 USD
View
B+
Retailer 7
-
$377 SGD
$295 USD
View
B+
Retailer 8
-
$393 SGD
HK$2,400 HKD
View
B
Retailer 9
-
$476 SGD
£293 GBP
View
B
Retailer 10
-
$488 SGD
$382 USD
View
B
Retailer 11
-
$633 SGD
$495 USD
View
B
Retailer 12
-
$669 SGD
$523 USD
View
Most Expensive
C
MOH London
LG539229152 · Oct 26
$1,648 SGD
£1,015 GBP
View
12 more retailers have this diamond
Prices start from $159 SGDSave up to $1,489 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
0.51ct Radiant
$159 SGD