Round|Natural|GIA

2.57ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2537883539

Certificate GIA 2537883539

Diamond specifications and retailer prices

From $31,803 CAD
$22,767 USD
As of October 30, 2026
Save $23,180 CAD (42%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $54,984 CAD at MOH London · As of October 29, 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 29, 2026, with prices from $31,803 to $54,984, a $23,180 spread on the same certified stone. MOH London lists it at $54,984. 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 30
Current: $54,984 CAD|Low: $31,803 CAD|High: $55,351 CAD|Avg: $39,590 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$31,803 CAD
Retailer 9$33,558 CAD
Retailer 3$34,098 CAD
Retailer 11$35,019 CAD
Retailer 10$35,300 CAD
Retailer 2$35,326 CAD
Retailer 5$35,850 CAD
Retailer 4$42,600 CAD
Retailer 6$46,427 CAD
Retailer 7$48,165 CAD
MOH London$54,984 CAD

32 data points across 11 retailers

28 retailers$31,803 CAD to $54,984 CAD

B+
Cheapest Retailer
-
$31,803 CAD
$22,767 USD
B+
Retailer 2
-
$31,884 CAD
$22,825 USD
View
B+
Retailer 3
-
$33,558 CAD
$24,023 USD
View
Final sale: no returns
B+
Retailer 4
-
$34,098 CAD
$24,410 USD
View
B+
Retailer 5
-
$35,019 CAD
$25,069 USD
View
Retailer 6
-
$35,019 CAD
$25,069 USD
View
Price last confirmed 23 days ago
Retailer 7
-
$35,300 CAD
A$38,877 AUD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$35,326 CAD
£19,913 GBP
View
B
Retailer 9
-
$35,850 CAD
$25,664 USD
View
Retailer 10
-
$35,850 CAD
$25,664 USD
View
Price last confirmed 24 days ago
B
Retailer 11
-
$35,914 CAD
$25,710 USD
View
B
Retailer 12
-
$35,914 CAD
$25,710 USD
View
Retailer 13
-
$36,769 CAD
$26,322 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$37,102 CAD
$26,560 USD
View
B+
Retailer 15
-
$37,431 CAD
$26,796 USD
View
Retailer 16
-
$37,937 CAD
$27,158 USD
View
Price last confirmed 23 days ago
Retailer 17
-
$37,937 CAD
$27,158 USD
View
Price last confirmed 39 days ago
B
Retailer 18
-
$38,937 CAD
$27,874 USD
View
Retailer 19
-
$39,395 CAD
$28,202 USD
View
Price last confirmed 32 days ago
Retailer 20
-
$39,395 CAD
$28,202 USD
View
Price last confirmed 39 days ago
B
Retailer 21
-
$39,395 CAD
$28,202 USD
View
B
Retailer 22
-
$42,600 CAD
€29,044 EUR
View
B
Retailer 23
-
$46,427 CAD
£26,170 GBP
View
B
Retailer 24
-
$48,165 CAD
ZAR 557,031 ZAR
View
B
Retailer 25
-
$49,610 CAD
$35,514 USD
View
Retailer 26
-
$49,610 CAD
$35,514 USD
View
Price last confirmed 41 days ago
Retailer 27
-
$49,610 CAD
$35,514 USD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
16EC813E8 · Oct 29
$54,984 CAD
£30,993 GBP
View
27 more retailers have this diamond
Prices start from $31,803 CADSave up to $23,180 CAD

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
$31,803 CAD