Round|Natural|IGI

5.10ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 778651615

Shape and cutting style on the report: Round brilliant

Certificate IGI 778651615

Diamond specifications and retailer prices

From HK$435,813 HKD
$55,548 USD
As of October 30, 2026
Save HK$238,782 HKD (35%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$674,595 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 5.1ct natural round diamond

This 5.1ct natural round sits in the over five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 778651615. Listed at 9 retailers as of October 26, 2026, with prices from HK$435,813 to HK$674,595, a HK$238,782 spread on the same certified stone. MOH London lists it at HK$674,595. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

5.10
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 778651615
Dimensions10.85 × 10.93 × 6.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
10.85 mm10.93 mm5.10 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778651615
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 41.1°CuletDepth 62.6%

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$674,595 HKD|Low: HK$433,889 HKD|High: HK$680,913 HKD|Avg: HK$523,137 HKD|+2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10HK$435,813 HKD
Retailer 6HK$436,464 HKD
Retailer 3HK$442,872 HKD
Retailer 7HK$449,347 HKD
Retailer 5HK$495,989 HKD
Retailer 8HK$515,831 HKD
Retailer 2HK$521,077 HKD
Retailer 9HK$535,665 HKD
Retailer 4HK$603,217 HKD
MOH LondonHK$674,595 HKD

44 data points across 10 retailers

9 retailersHK$435,813 HKD to HK$674,595 HKD

A
Cheapest Retailer
-
HK$435,813 HKD
$55,548 USD
A
Retailer 2
-
HK$436,464 HKD
$55,631 USD
View
Final sale: no returns
A
Retailer 3
-
HK$442,872 HKD
£44,447 GBP
View
A
Retailer 4
-
HK$449,347 HKD
$57,273 USD
View
B+
Retailer 5
-
HK$495,989 HKD
$63,218 USD
View
B+
Retailer 6
-
HK$515,831 HKD
$65,747 USD
View
B+
Retailer 7
-
HK$521,077 HKD
€63,253 EUR
View
B+
Retailer 8
-
HK$535,665 HKD
$68,275 USD
View
Most Expensive
B
MOH London
35145BFEA · Oct 26
HK$674,595 HKD
£67,703 GBP
View
8 more retailers have this diamond
Prices start from HK$435,813 HKDSave up to HK$238,782 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
5.10ct Round
HK$435,813 HKD