Round|Natural|GIA

2.57ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2537883539

Certificate GIA 2537883539

Diamond specifications and retailer prices

From €20,379 EUR
$22,767 USD
As of October 31, 2026
Save €14,666 EUR (42%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: €35,044 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 2.57ct natural round diamond

This 2.57ct 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 2537883539. Listed at 28 retailers as of October 31, 2026, with prices from €20,379 to €35,044, a €14,666 spread on the same certified stone. MOH London lists it at €35,044. 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

2.57
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2537883539
Dimensions8.68 × 8.72 × 5.42 mm
L/W Ratio1.00
Top View
8.68 mm8.72 mm2.57 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2537883539
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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: €35,044 EUR|Low: €20,379 EUR|High: €35,467 EUR|Avg: €25,393 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8€20,379 EUR
Retailer 9€21,503 EUR
Retailer 3€21,849 EUR
Retailer 11€22,439 EUR
Retailer 2€22,448 EUR
Retailer 10€22,619 EUR
Retailer 6€22,972 EUR
Retailer 4€27,106 EUR
Retailer 7€29,749 EUR
Retailer 5€31,028 EUR
MOH London€35,044 EUR

32 data points across 11 retailers

28 retailers€20,379 EUR to €35,044 EUR

B+
Cheapest Retailer
-
€20,379 EUR
$22,767 USD
B+
Retailer 2
-
€20,430 EUR
$22,825 USD
View
B+
Retailer 3
-
€21,503 EUR
$24,023 USD
View
Final sale: no returns
B+
Retailer 4
-
€21,849 EUR
$24,410 USD
View
B+
Retailer 5
-
€22,439 EUR
$25,069 USD
View
Retailer 6
-
€22,439 EUR
$25,069 USD
View
Price last confirmed 24 days ago
B+
Retailer 7
-
€22,448 EUR
£19,748 GBP
View
Retailer 8
-
€22,619 EUR
A$38,877 AUD
View
Price last confirmed 28 days ago
B
Retailer 9
-
€22,972 EUR
$25,664 USD
View
Retailer 10
-
€22,972 EUR
$25,664 USD
View
Price last confirmed 25 days ago
B
Retailer 11
-
€23,013 EUR
$25,710 USD
View
B
Retailer 12
-
€23,013 EUR
$25,710 USD
View
Retailer 13
-
€23,561 EUR
$26,322 USD
View
Price last confirmed 32 days ago
B+
Retailer 14
-
€23,774 EUR
$26,560 USD
View
B+
Retailer 15
-
€23,984 EUR
$26,796 USD
View
Retailer 16
-
€24,309 EUR
$27,158 USD
View
Price last confirmed 24 days ago
Retailer 17
-
€24,309 EUR
$27,158 USD
View
Price last confirmed 40 days ago
B
Retailer 18
-
€24,950 EUR
$27,874 USD
View
Retailer 19
-
€25,243 EUR
$28,202 USD
View
Price last confirmed 33 days ago
Retailer 20
-
€25,243 EUR
$28,202 USD
View
Price last confirmed 40 days ago
B
Retailer 21
-
€25,243 EUR
$28,202 USD
View
B
Retailer 22
-
€27,106 EUR
View
B
Retailer 23
-
€29,749 EUR
£26,170 GBP
View
B
Retailer 24
-
€31,028 EUR
ZAR 560,007 ZAR
View
B
Retailer 25
-
€31,788 EUR
$35,514 USD
View
Retailer 26
-
€31,788 EUR
$35,514 USD
View
Price last confirmed 42 days ago
Retailer 27
-
€31,788 EUR
$35,514 USD
View
Price last confirmed 35 days ago
Most Expensive
B
MOH London
16EC813E8 · Nov 1
€35,044 EUR
£30,828 GBP
View
27 more retailers have this diamond
Prices start from €20,379 EURSave up to €14,666 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+
2.57ct Round
€20,379 EUR