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Radiant|Lab Grown|IGI

0.51ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG819640701

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

Certificate IGI LG819640701

Diamond specifications and retailer prices

From HK$855 HKD
$109 USD
As of October 30, 2026
Save HK$6,234 HKD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$8,908 HKD at MOH London · As of October 29, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819640701 or 819640701. Listed at 18 retailers as of October 30, 2026, with a 729% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle19.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819640701
Dimensions6.09 × 3.90 × 2.57 mm
L/W Ratio1.56
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.09 mm3.90 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG819640701
Side View
Table 64.0%Crown 19.9°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 65.9%

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$8,908 HKD|Low: HK$824 HKD|High: HK$8,968 HKD|Avg: HK$2,590 HKD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9HK$855 HKD
Retailer 3HK$957 HKD
Retailer 11HK$996 HKD
Retailer 10HK$1,130 HKD
Retailer 7HK$1,687 HKD
Retailer 2HK$1,911 HKD
Retailer 4HK$1,946 HKD
Retailer 5HK$2,104 HKD
Retailer 8HK$2,487 HKD
Retailer 6HK$2,563 HKD
Retailer 12HK$5,620 HKD
MOH LondonHK$8,908 HKD

44 data points across 12 retailers

18 retailersHK$855 HKD to HK$7,090 HKD

A
Cheapest Retailer
-
HK$855 HKD
$109 USD
A
Retailer 2
-
HK$957 HKD
$122 USD
View
Final sale: no returns
A
Retailer 3
-
HK$996 HKD
$127 USD
View
A
Retailer 4
-
HK$1,130 HKD
$144 USD
View
A
Retailer 5
-
HK$1,205 HKD
View
A
Retailer 6
-
HK$1,491 HKD
$190 USD
View
Retailer 7
-
HK$1,687 HKD
$215 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
HK$1,911 HKD
€232 EUR
View
A
Retailer 9
-
HK$1,946 HKD
$248 USD
View
B+
Retailer 10
-
HK$2,104 HKD
£211 GBP
View
B+
Retailer 11
-
HK$2,487 HKD
$317 USD
View
B+
Retailer 12
-
HK$2,563 HKD
£257 GBP
View
B+
Retailer 13
-
HK$3,002 HKD
SGD 517 SGD
View
B
Retailer 14
-
HK$3,264 HKD
$416 USD
View
B
Retailer 15
-
HK$3,867 HKD
$493 USD
View
B
Retailer 16
-
HK$5,620 HKD
£564 GBP
View
B
Retailer 17
-
HK$7,090 HKD
$904 USD
View
Most Expensive
MOH London
LG819640701 · Oct 29
HK$8,908 HKD
£894 GBP
View
Price under review
17 more retailers have this diamond
Prices start from HK$855 HKDSave up to HK$6,234 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$855 HKD