Round|Natural|HRD

2.57ct I SI2 Round Natural Diamond

EX • I/SI2 • HRD 260000199270

Certificate HRD 260000199270

Diamond specifications and retailer prices

From $12,308 USD
SGD 16,632 SGD
As of October 29, 2026
Save $7,568 USD (38%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $19,876 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.57ct natural round diamond

This 2.57ct natural round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000199270. Listed at 4 retailers as of October 29, 2026, with prices from $12,308 to $19,876, a $7,568 spread on the same certified stone. NZ Jewellers lists it at $19,876. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.7°
OriginNatural
Grading LabHRD
CertificateHRD 260000199270
Dimensions8.77 × 8.81 × 5.47 mm
L/W Ratio1.00
Top View
8.77 mm8.81 mm2.57 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000199270
Side View
Table 58.0%Crown 33°Girdle: MediumPavilion 41.7°CuletDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $19,876 USD|Low: $12,308 USD|High: $20,906 USD|Avg: $15,690 USD|-4.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3$12,308 USD
Retailer 4$12,614 USD
Retailer 2$14,434 USD
NZ Jewellers$19,876 USD

25 data points across 4 retailers

4 retailers$12,308 USD to $19,876 USD

A
Cheapest Retailer
-
$12,308 USD
SGD 16,632 SGD
A
Retailer 2
-
$12,614 USD
View
Final sale: no returns
A
Retailer 3
-
$14,434 USD
€13,747 EUR
View
Most Expensive
B+
NZ Jewellers
e89d08a4-5c0e-4dd6-8d47-962b58f1228c · Oct 30
$19,876 USD
View
3 more retailers have this diamond
Prices start from $12,308 USDSave up to $7,568 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.

A
2.57ct Round
$12,308 USD