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Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 5231884635

Certificate GIA 5231884635

Diamond specifications and retailer prices

From HK$165,207 HKD
$21,056 USD
As of November 1, 2026
Save HK$115,823 HKD (41%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$281,030 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5231884635. Listed at 17 retailers as of November 1, 2026, with prices from HK$165,207 to HK$281,030, a HK$115,823 spread on the same certified stone. MOH London lists it at HK$281,030. 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

2.51
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231884635
Dimensions8.85 × 8.98 × 5.25 mm
L/W Ratio1.01
Top View
8.85 mm8.98 mm2.51 ctF / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231884635
Side View
Table 62.0%Crown 29.5°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 58.9%

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: Nov 1
Current: HK$281,030 HKD|Low: HK$166,379 HKD|High: HK$284,418 HKD|Avg: HK$207,387 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2HK$166,715 HKD
Retailer 3HK$179,938 HKD
Retailer 5HK$188,942 HKD
Retailer 4HK$209,816 HKD
MOH LondonHK$281,030 HKD

42 data points across 5 retailers

17 retailersHK$165,207 HKD to HK$281,030 HKD

A
Cheapest Retailer
-
HK$165,207 HKD
$21,056 USD
A
Retailer 2
-
HK$165,419 HKD
$21,083 USD
View
A
Retailer 3
-
HK$166,715 HKD
₹2,023,636 INR
View
B+
Retailer 4
-
HK$169,250 HKD
CA$29,960 CAD
View
B+
Retailer 5
-
HK$179,938 HKD
£18,058 GBP
View
B+
Retailer 6
-
HK$179,942 HKD
$22,934 USD
View
B+
Retailer 7
-
HK$183,089 HKD
$23,335 USD
View
B+
Retailer 8
-
HK$188,942 HKD
$24,081 USD
View
B+
Retailer 9
-
HK$193,093 HKD
$24,610 USD
View
B+
Retailer 10
-
HK$193,093 HKD
$24,610 USD
View
B+
Retailer 11
-
HK$194,936 HKD
$24,845 USD
View
B+
Retailer 12
-
HK$199,526 HKD
$25,430 USD
View
B+
Retailer 13
-
HK$202,437 HKD
$25,801 USD
View
B+
Retailer 14
-
HK$209,816 HKD
€25,468 EUR
View
B+
Retailer 15
-
HK$209,883 HKD
$26,750 USD
View
B
Retailer 16
-
HK$254,920 HKD
$32,490 USD
View
Most Expensive
B
MOH London
91F4BC906 · Nov 1
HK$281,030 HKD
£28,203 GBP
View
16 more retailers have this diamond
Prices start from HK$165,207 HKDSave up to HK$115,823 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
2.51ct Round
HK$165,207 HKD