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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 $41,434 NZD
$23,313 USD
As of November 2, 2026
Save $29,840 NZD (42%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $71,275 NZD 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 $41,434 to $71,275, a $29,840 spread on the same certified stone. MOH London lists it at $71,275. 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: $71,275 NZD|Low: $41,434 NZD|High: $72,132 NZD|Avg: $50,581 NZD|-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$41,434 NZD
Retailer 7$41,550 NZD
Retailer 6$43,736 NZD
Retailer 8$44,424 NZD
Retailer 16$45,638 NZD
Retailer 9$45,995 NZD
Retailer 10$46,044 NZD
Retailer 5$46,722 NZD
Retailer 17$47,539 NZD
Retailer 15$47,920 NZD
Retailer 14$49,441 NZD
Retailer 2$51,057 NZD
Retailer 3$51,341 NZD
Retailer 11$55,130 NZD
Retailer 13$60,131 NZD
Retailer 12$63,106 NZD
MOH London$71,275 NZD

32 data points across 17 retailers

19 retailers$41,434 NZD to $71,275 NZD

B+
Cheapest Retailer
-
$41,434 NZD
$23,313 USD
B+
Retailer 2
-
$41,550 NZD
$23,378 USD
View
B+
Retailer 3
-
$43,736 NZD
$24,608 USD
View
Final sale: no returns
B+
Retailer 4
-
$44,424 NZD
$24,995 USD
View
B
Retailer 5
-
$45,638 NZD
$25,678 USD
View
Retailer 6
-
$45,995 NZD
A$39,814 AUD
View
Price last confirmed 30 days ago
B+
Retailer 7
-
$46,044 NZD
£20,399 GBP
View
B
Retailer 8
-
$46,722 NZD
$26,288 USD
View
Retailer 9
-
$46,722 NZD
$26,288 USD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
$47,539 NZD
$26,748 USD
View
B+
Retailer 11
-
$47,920 NZD
$26,962 USD
View
B+
Retailer 12
-
$48,782 NZD
$27,447 USD
View
B+
Retailer 13
-
$49,441 NZD
$27,818 USD
View
B+
Retailer 14
-
$51,057 NZD
£22,620 GBP
View
B
Retailer 15
-
$51,341 NZD
$28,887 USD
View
B
Retailer 16
-
$55,130 NZD
€29,542 EUR
View
B
Retailer 17
-
$60,131 NZD
£26,640 GBP
View
B
Retailer 18
-
$63,106 NZD
ZAR 573,610 ZAR
View
Most Expensive
B
MOH London
3DA494F7E · Nov 1
$71,275 NZD
£31,577 GBP
View
18 more retailers have this diamond
Prices start from $41,434 NZDSave up to $29,840 NZD

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
$41,434 NZD