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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 $29,815 SGD
$23,313 USD
As of November 2, 2026
Save $21,472 SGD (42%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $51,287 SGD 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 November 1, 2026, with prices from $29,815 to $51,287, a $21,472 spread on the same certified stone. MOH London lists it at $51,287. 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: Nov 2
Current: $51,287 SGD|Low: $29,815 SGD|High: $51,905 SGD|Avg: $36,397 SGD|-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 4$29,815 SGD
Retailer 7$29,898 SGD
Retailer 6$31,471 SGD
Retailer 8$31,966 SGD
Retailer 16$32,840 SGD
Retailer 9$33,097 SGD
Retailer 10$33,132 SGD
Retailer 5$33,620 SGD
Retailer 17$34,208 SGD
Retailer 15$34,482 SGD
Retailer 14$35,576 SGD
Retailer 2$36,740 SGD
Retailer 3$36,944 SGD
Retailer 11$39,670 SGD
Retailer 13$43,269 SGD
Retailer 12$45,409 SGD
MOH London$51,287 SGD

32 data points across 17 retailers

19 retailers$29,815 SGD to $51,287 SGD

B+
Cheapest Retailer
-
$29,815 SGD
$23,313 USD
B+
Retailer 2
-
$29,898 SGD
$23,378 USD
View
B+
Retailer 3
-
$31,471 SGD
$24,608 USD
View
Final sale: no returns
B+
Retailer 4
-
$31,966 SGD
$24,995 USD
View
B
Retailer 5
-
$32,840 SGD
$25,678 USD
View
Retailer 6
-
$33,097 SGD
A$39,814 AUD
View
Price last confirmed 29 days ago
B+
Retailer 7
-
$33,132 SGD
£20,399 GBP
View
B
Retailer 8
-
$33,620 SGD
$26,288 USD
View
Retailer 9
-
$33,620 SGD
$26,288 USD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
$34,208 SGD
$26,748 USD
View
B+
Retailer 11
-
$34,482 SGD
$26,962 USD
View
B+
Retailer 12
-
$35,102 SGD
$27,447 USD
View
B+
Retailer 13
-
$35,576 SGD
$27,818 USD
View
B+
Retailer 14
-
$36,740 SGD
£22,620 GBP
View
B
Retailer 15
-
$36,944 SGD
$28,887 USD
View
B
Retailer 16
-
$39,670 SGD
€29,542 EUR
View
B
Retailer 17
-
$43,269 SGD
£26,640 GBP
View
B
Retailer 18
-
$45,409 SGD
ZAR 573,610 ZAR
View
Most Expensive
B
MOH London
3DA494F7E · Nov 1
$51,287 SGD
£31,577 GBP
View
18 more retailers have this diamond
Prices start from $29,815 SGDSave up to $21,472 SGD

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
$29,815 SGD