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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 HK$973 HKD
$124 USD
As of October 30, 2026
Save HK$9,141 HKD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$10,113 HKD 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 HK$973 to HK$10,113, a HK$9,141 spread on the same certified stone. MOH London lists it at HK$10,113. 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: HK$10,113 HKD|Low: HK$934 HKD|High: HK$10,213 HKD|Avg: HK$2,781 HKD|-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 8HK$973 HKD
Retailer 4HK$1,091 HKD
Retailer 12HK$1,130 HKD
Retailer 9HK$1,287 HKD
Retailer 13HK$1,287 HKD
Retailer 2HK$2,197 HKD
Retailer 10HK$2,314 HKD
Retailer 5HK$2,410 HKD
Retailer 6HK$2,919 HKD
Retailer 3HK$2,997 HKD
Retailer 11HK$3,884 HKD
Retailer 7HK$4,103 HKD
MOH LondonHK$10,113 HKD

18 data points across 13 retailers

13 retailersHK$973 HKD to HK$10,113 HKD

A
Cheapest Retailer
-
HK$973 HKD
$124 USD
B+
Retailer 2
-
HK$1,091 HKD
$139 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$1,130 HKD
$144 USD
View
B+
Retailer 4
-
HK$1,287 HKD
$164 USD
View
B+
Retailer 5
-
HK$1,287 HKD
$164 USD
View
B+
Retailer 6
-
HK$2,197 HKD
$280 USD
View
B+
Retailer 7
-
HK$2,314 HKD
$295 USD
View
B+
Retailer 8
-
HK$2,410 HKD
View
B
Retailer 9
-
HK$2,919 HKD
£293 GBP
View
B
Retailer 10
-
HK$2,997 HKD
$382 USD
View
B
Retailer 11
-
HK$3,884 HKD
$495 USD
View
B
Retailer 12
-
HK$4,103 HKD
$523 USD
View
Most Expensive
C
MOH London
LG539229152 · Oct 26
HK$10,113 HKD
£1,015 GBP
View
12 more retailers have this diamond
Prices start from HK$973 HKDSave up to HK$9,141 HKD

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
HK$973 HKD