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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 €20,867 EUR
$23,313 USD
As of October 31, 2026
Save €15,220 EUR (42%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €36,088 EUR at MOH London · As of October 29, 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 29, 2026, with prices from €20,867 to €36,088, a €15,220 spread on the same certified stone. MOH London lists it at €36,088. 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
Color
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: €36,088 EUR|Low: €20,867 EUR|High: €36,328 EUR|Avg: €25,648 EUR|-0.4%
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 1, 2026
Retailer 4€20,867 EUR
Retailer 7€20,925 EUR
Retailer 6€22,026 EUR
Retailer 8€22,373 EUR
Retailer 16€22,984 EUR
Retailer 2€22,996 EUR
Retailer 9€23,164 EUR
Retailer 5€23,530 EUR
Retailer 17€23,942 EUR
Retailer 15€24,133 EUR
Retailer 14€24,900 EUR
Retailer 11€25,793 EUR
Retailer 3€25,856 EUR
Retailer 12€27,960 EUR
Retailer 13€30,283 EUR
Retailer 10€31,781 EUR
MOH London€36,088 EUR

33 data points across 17 retailers

19 retailers€20,867 EUR to €36,088 EUR

B+
Cheapest Retailer
-
€20,867 EUR
$23,313 USD
B+
Retailer 2
-
€20,925 EUR
$23,378 USD
View
B+
Retailer 3
-
€22,026 EUR
$24,608 USD
View
Final sale: no returns
B+
Retailer 4
-
€22,373 EUR
$24,995 USD
View
B
Retailer 5
-
€22,984 EUR
$25,678 USD
View
B+
Retailer 6
-
€22,996 EUR
£20,229 GBP
View
Retailer 7
-
€23,164 EUR
A$39,814 AUD
View
Price last confirmed 28 days ago
B
Retailer 8
-
€23,530 EUR
$26,288 USD
View
Retailer 9
-
€23,530 EUR
$26,288 USD
View
Price last confirmed 23 days ago
B+
Retailer 10
-
€23,942 EUR
$26,748 USD
View
B+
Retailer 11
-
€24,133 EUR
$26,962 USD
View
B+
Retailer 12
-
€24,568 EUR
$27,447 USD
View
B+
Retailer 13
-
€24,900 EUR
$27,818 USD
View
B+
Retailer 14
-
€25,793 EUR
£22,690 GBP
View
B
Retailer 15
-
€25,856 EUR
$28,887 USD
View
B
Retailer 16
-
€27,960 EUR
View
B
Retailer 17
-
€30,283 EUR
£26,640 GBP
View
B
Retailer 18
-
€31,781 EUR
ZAR 573,610 ZAR
View
Most Expensive
B
MOH London
3DA494F7E · Oct 29
€36,088 EUR
£31,746 GBP
View
18 more retailers have this diamond
Prices start from €20,867 EURSave up to €15,220 EUR

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
€20,867 EUR