Round|Natural|GIA

5.10ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 2231845459

Certificate GIA 2231845459

Diamond specifications and retailer prices

From HK$293,301 HKD
As of November 4, 2026
Save HK$82,056 HKD (22%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$375,356 HKD at Yorxs · As of November 5, 2026
View at Yorxs

About this 5.1ct natural round diamond

This 5.1ct natural round sits in the over five carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231845459. Listed at 10 retailers as of November 4, 2026, with prices from HK$293,301 to HK$375,356, a HK$82,056 spread on the same certified stone. Yorxs lists it at HK$375,356. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.10
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2231845459
Dimensions10.91 × 10.98 × 6.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
10.91 mm10.98 mm5.10 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231845459
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$366,112 HKD|Low: HK$293,301 HKD|High: HK$379,656 HKD|Avg: HK$349,871 HKD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 6, 2026
Retailer 2HK$293,301 HKD
Retailer 5HK$338,089 HKD
Retailer 4HK$344,530 HKD
Retailer 1HK$366,112 HKD
Retailer 3HK$371,894 HKD
YorxsHK$375,356 HKD

37 data points across 6 retailers

10 retailersHK$293,301 HKD to HK$375,356 HKD

B+
Cheapest Retailer
-
HK$293,301 HKD
Retailer 2
-
HK$322,155 HKD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
HK$335,578 HKD
View
B+
Retailer 4
-
HK$338,089 HKD
View
B+
Retailer 5
-
HK$344,530 HKD
View
B+
Retailer 6
-
HK$349,002 HKD
View
B
Retailer 7
-
HK$362,425 HKD
View
B
Retailer 8
-
HK$366,112 HKD
View
B
Retailer 9
-
HK$371,894 HKD
View
Most Expensive
B
Yorxs
65220 · Nov 5
HK$375,356 HKD
€45,567 EUR
View
9 more retailers have this diamond
Prices start from HK$293,301 HKDSave up to HK$82,056 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.

B+
5.10ct Round
HK$293,301 HKD