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Round|Lab Grown|IGI

0.51ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG502108778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG502108778

Diamond specifications and retailer prices

From HK$2,511 HKD
$320 USD
As of October 31, 2026
Save HK$11,429 HKD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$13,940 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG502108778 or 502108778. Listed at 13 retailers as of October 31, 2026, with prices from HK$2,511 to HK$13,940, a HK$11,429 spread on the same certified stone. MOH London lists it at HK$13,940. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502108778
Dimensions5.22 × 5.18 × 3.13 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.22 mm5.18 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502108778
Side View
Table 58.0%Crown 33.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.3%

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 31
Current: HK$13,940 HKD|Low: HK$2,299 HKD|High: HK$14,109 HKD|Avg: HK$6,093 HKD
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 10HK$2,511 HKD
Retailer 14HK$2,879 HKD
Retailer 3HK$3,225 HKD
Retailer 5HK$3,334 HKD
Retailer 15HK$3,570 HKD
Retailer 17HK$3,570 HKD
Retailer 8HK$3,622 HKD
Retailer 6HK$4,747 HKD
Retailer 16HK$5,696 HKD
Retailer 2HK$6,401 HKD
Retailer 12HK$6,453 HKD
Retailer 7HK$6,622 HKD
Retailer 9HK$7,471 HKD
Retailer 11HK$9,083 HKD
Retailer 13HK$10,458 HKD
Retailer 4HK$11,470 HKD
MOH LondonHK$13,940 HKD

30 data points across 17 retailers

13 retailersHK$2,511 HKD to HK$13,940 HKD

A
Cheapest Retailer
-
HK$2,511 HKD
$320 USD
A
Retailer 2
-
HK$2,879 HKD
$367 USD
View
A
Retailer 3
-
HK$3,225 HKD
$411 USD
View
Final sale: no returns
A
Retailer 4
-
HK$3,334 HKD
$425 USD
View
Retailer 5
-
HK$3,570 HKD
$455 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$3,570 HKD
$455 USD
View
B+
Retailer 7
-
HK$5,696 HKD
$726 USD
View
B+
Retailer 8
-
HK$6,401 HKD
€777 EUR
View
B+
Retailer 9
-
HK$6,453 HKD
ZAR 13,288 ZAR
View
B
Retailer 10
-
HK$9,083 HKD
A$1,781 AUD
View
B
Retailer 11
-
HK$10,458 HKD
$1,333 USD
View
B
Retailer 12
-
HK$11,470 HKD
$1,462 USD
View
Most Expensive
B
MOH London
LG502108778 · Nov 1
HK$13,940 HKD
£1,399 GBP
View
12 more retailers have this diamond
Prices start from HK$2,511 HKDSave up to HK$11,429 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 Round
HK$2,511 HKD