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Round|Natural|GIA

2.51ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 6541751280

Certificate GIA 6541751280

Diamond specifications and retailer prices

From HK$131,478 HKD
$16,758 USD
As of October 29, 2026
Save HK$93,769 HKD (42%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$225,247 HKD at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6541751280. Listed at 22 retailers as of October 29, 2026, with prices from HK$131,478 to HK$225,247, a HK$93,769 spread on the same certified stone. MOH London lists it at HK$225,247. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 6541751280
Dimensions8.50 × 8.39 × 5.43 mm
L/W Ratio1.01
Top View
8.50 mm8.39 mm2.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541751280
Side View
Table 56.0%Crown 38°Girdle: ThickPavilion 40°Culet: NoneDepth 64.3%

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 29
Current: HK$225,247 HKD|Low: HK$131,478 HKD|High: HK$233,348 HKD|Avg: HK$160,248 HKD|-3.2%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 7HK$131,478 HKD
Retailer 3HK$131,886 HKD
Retailer 8HK$134,741 HKD
Retailer 13HK$136,735 HKD
Retailer 6HK$137,480 HKD
Retailer 17HK$138,191 HKD
Retailer 11HK$143,459 HKD
Retailer 9HK$146,445 HKD
Retailer 15HK$148,201 HKD
Retailer 4HK$150,630 HKD
Retailer 5HK$153,258 HKD
Retailer 21HK$155,415 HKD
Retailer 10HK$157,934 HKD
Retailer 19HK$157,934 HKD
Retailer 18HK$161,386 HKD
Retailer 20HK$163,191 HKD
Retailer 16HK$166,016 HKD
Retailer 2HK$171,820 HKD
Retailer 14HK$172,284 HKD
Retailer 12HK$203,227 HKD
MOH LondonHK$225,247 HKD

32 data points across 21 retailers

22 retailersHK$131,478 HKD to HK$225,247 HKD

A
Cheapest Retailer
-
HK$131,478 HKD
$16,758 USD
A
Retailer 2
-
HK$131,886 HKD
$16,810 USD
View
A
Retailer 3
-
HK$134,741 HKD
$17,174 USD
View
A
Retailer 4
-
HK$136,735 HKD
₹1,659,808 INR
View
A
Retailer 5
-
HK$137,480 HKD
$17,523 USD
View
Final sale: no returns
A
Retailer 6
-
HK$138,191 HKD
$17,614 USD
View
B+
Retailer 7
-
HK$143,459 HKD
$18,285 USD
View
B+
Retailer 8
-
HK$146,445 HKD
$18,666 USD
View
B+
Retailer 9
-
HK$148,201 HKD
£14,874 GBP
View
B+
Retailer 10
-
HK$150,630 HKD
$19,199 USD
View
B+
Retailer 11
-
HK$153,258 HKD
$19,534 USD
View
B+
Retailer 12
-
HK$155,415 HKD
$19,809 USD
View
B+
Retailer 13
-
HK$157,934 HKD
$20,130 USD
View
B+
Retailer 14
-
HK$157,934 HKD
$20,130 USD
View
B+
Retailer 15
-
HK$161,386 HKD
$20,570 USD
View
B+
Retailer 16
-
HK$163,191 HKD
$20,800 USD
View
B+
Retailer 17
-
HK$166,016 HKD
£16,661 GBP
View
Retailer 18
-
HK$167,364 HKD
$21,332 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
HK$171,820 HKD
€20,857 EUR
View
B+
Retailer 20
-
HK$172,284 HKD
$21,959 USD
View
B
Retailer 21
-
HK$203,227 HKD
$25,903 USD
View
Most Expensive
B
MOH London
319BB0A7E · Oct 29
HK$225,247 HKD
£22,606 GBP
View
21 more retailers have this diamond
Prices start from HK$131,478 HKDSave up to HK$93,769 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$131,478 HKD