Round|Natural|GIA

2.57ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2537883539

Certificate GIA 2537883539

Diamond specifications and retailer prices

From $22,767 USD
As of October 30, 2026
Save $16,594 USD (42%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $39,361 USD 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 $22,767 to $39,361, a $16,594 spread on the same certified stone. MOH London lists it at $39,361. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $39,361 USD|Low: $22,767 USD|High: $39,624 USD|Avg: $28,342 USD|+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$22,767 USD
Retailer 9$24,023 USD
Retailer 3$24,410 USD
Retailer 11$25,069 USD
Retailer 10$25,270 USD
Retailer 2$25,289 USD
Retailer 5$25,664 USD
Retailer 4$30,496 USD
Retailer 6$33,236 USD
Retailer 7$34,480 USD
MOH London$39,361 USD

32 data points across 11 retailers

28 retailers$22,767 USD to $39,361 USD

B+
Cheapest Retailer
-
$22,767 USD
B+
Retailer 2
-
$22,825 USD
View
B+
Retailer 3
-
$24,023 USD
View
Final sale: no returns
B+
Retailer 4
-
$24,410 USD
View
B+
Retailer 5
-
$25,069 USD
View
Retailer 6
-
$25,069 USD
View
Price last confirmed 23 days ago
Retailer 7
-
$25,270 USD
A$38,877 AUD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$25,289 USD
£19,913 GBP
View
B
Retailer 9
-
$25,664 USD
View
Retailer 10
-
$25,664 USD
View
Price last confirmed 24 days ago
B
Retailer 11
-
$25,710 USD
View
B
Retailer 12
-
$25,710 USD
View
Retailer 13
-
$26,322 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$26,560 USD
View
B+
Retailer 15
-
$26,796 USD
View
Retailer 16
-
$27,158 USD
View
Price last confirmed 23 days ago
Retailer 17
-
$27,158 USD
View
Price last confirmed 39 days ago
B
Retailer 18
-
$27,874 USD
View
Retailer 19
-
$28,202 USD
View
Price last confirmed 32 days ago
Retailer 20
-
$28,202 USD
View
Price last confirmed 39 days ago
B
Retailer 21
-
$28,202 USD
View
B
Retailer 22
-
$30,496 USD
€29,044 EUR
View
B
Retailer 23
-
$33,236 USD
£26,170 GBP
View
B
Retailer 24
-
$34,480 USD
ZAR 557,031 ZAR
View
B
Retailer 25
-
$35,514 USD
View
Retailer 26
-
$35,514 USD
View
Price last confirmed 41 days ago
Retailer 27
-
$35,514 USD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
16EC813E8 · Oct 29
$39,361 USD
£30,993 GBP
View
27 more retailers have this diamond
Prices start from $22,767 USDSave up to $16,594 USD

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
$22,767 USD