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Round|Natural|GIA

2.59ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1549227427

Certificate GIA 1549227427

Diamond specifications and retailer prices

From HK$182,907 HKD
$23,313 USD
As of October 31, 2026
Save HK$131,728 HKD (42%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$314,634 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 2.59ct natural round diamond

This 2.59ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1549227427. Listed at 19 retailers as of October 31, 2026, with prices from HK$182,907 to HK$314,634, a HK$131,728 spread on the same certified stone. MOH London lists it at HK$314,634. 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

2.59
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1549227427
Dimensions8.68 × 8.73 × 5.47 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Feather, Needle
Top View
8.68 mm8.73 mm2.59 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1549227427
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$314,634 HKD|Low: HK$182,907 HKD|High: HK$318,421 HKD|Avg: HK$223,236 HKD|-0.9%
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 2, 2026
Retailer 4HK$182,907 HKD
Retailer 7HK$183,417 HKD
Retailer 6HK$193,067 HKD
Retailer 8HK$196,103 HKD
Retailer 16HK$201,462 HKD
Retailer 9HK$203,041 HKD
Retailer 2HK$203,256 HKD
Retailer 5HK$206,248 HKD
Retailer 17HK$209,857 HKD
Retailer 15HK$211,536 HKD
Retailer 14HK$218,252 HKD
Retailer 10HK$225,404 HKD
Retailer 3HK$226,639 HKD
Retailer 11HK$243,367 HKD
Retailer 13HK$265,442 HKD
Retailer 12HK$278,573 HKD
MOH LondonHK$314,634 HKD

32 data points across 17 retailers

19 retailersHK$182,907 HKD to HK$314,634 HKD

B+
Cheapest Retailer
-
HK$182,907 HKD
$23,313 USD
B+
Retailer 2
-
HK$183,417 HKD
$23,378 USD
View
B+
Retailer 3
-
HK$193,067 HKD
$24,608 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$196,103 HKD
$24,995 USD
View
B
Retailer 5
-
HK$201,462 HKD
$25,678 USD
View
Retailer 6
-
HK$203,041 HKD
A$39,814 AUD
View
Price last confirmed 29 days ago
B+
Retailer 7
-
HK$203,256 HKD
£20,399 GBP
View
B
Retailer 8
-
HK$206,248 HKD
$26,288 USD
View
Retailer 9
-
HK$206,248 HKD
$26,288 USD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
HK$209,857 HKD
$26,748 USD
View
B+
Retailer 11
-
HK$211,536 HKD
$26,962 USD
View
B+
Retailer 12
-
HK$215,343 HKD
$27,447 USD
View
B+
Retailer 13
-
HK$218,252 HKD
$27,818 USD
View
B+
Retailer 14
-
HK$225,404 HKD
£22,622 GBP
View
B
Retailer 15
-
HK$226,639 HKD
$28,887 USD
View
B
Retailer 16
-
HK$243,367 HKD
€29,542 EUR
View
B
Retailer 17
-
HK$265,442 HKD
£26,640 GBP
View
B
Retailer 18
-
HK$278,573 HKD
ZAR 573,610 ZAR
View
Most Expensive
B
MOH London
3DA494F7E · Nov 1
HK$314,634 HKD
£31,577 GBP
View
18 more retailers have this diamond
Prices start from HK$182,907 HKDSave up to HK$131,728 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+
2.59ct Round
HK$182,907 HKD