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Round|Natural|GIA

2.57ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2225299689

Certificate GIA 2225299689

Diamond specifications and retailer prices

From $18,101 AUD
As of November 6, 2026
Save $7,077 AUD (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $25,178 AUD at Yorxs · As of November 5, 2026
View at Yorxs

About this 2.57ct natural round diamond

This 2.57ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2225299689. Listed at 3 retailers as of November 5, 2026, with prices from $18,101 to $25,178, a $7,077 spread on the same certified stone. Yorxs lists it at $25,178. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.57
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2225299689
Dimensions8.88 × 8.94 × 5.29 mm
L/W Ratio1.01
Top View
8.88 mm8.94 mm2.57 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2225299689
Side View
Table 64.0%CrownGirdle: VTN-MEDPavilionCulet: Very SmallDepth 59.4%

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: Nov 6
Current: $23,329 AUD|Low: $17,933 AUD|High: $25,377 AUD|Avg: $22,239 AUD|-0.2%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 2$18,101 AUD
Retailer 1$23,329 AUD
Yorxs$25,178 AUD

36 data points across 3 retailers

3 retailers$18,101 AUD to $25,178 AUD

B+
Cheapest Retailer
-
$18,101 AUD
B
Retailer 2
-
$23,329 AUD
View
Most Expensive
B
Yorxs
AL1309 · Nov 5
$25,178 AUD
€16,786 EUR
View
2 more retailers have this diamond
Prices start from $18,101 AUDSave up to $7,077 AUD

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
$18,101 AUD