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Round|Natural|GIA

2.56ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2225540917

Certificate GIA 2225540917

Diamond specifications and retailer prices

From $19,855 AUD
As of November 4, 2026
Save $5,617 AUD (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $25,472 AUD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 2.56ct natural round diamond

This 2.56ct 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 2225540917. Listed at 2 retailers as of November 4, 2026, with prices from $19,855 to $25,472, a $5,617 spread on the same certified stone. 77 Diamonds lists it at $25,472. 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

2.56
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2225540917
Dimensions8.70 × 8.75 × 5.55 mm
L/W Ratio1.01
Top View
8.70 mm8.75 mm2.56 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2225540917
Side View
Table 57.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $25,472 AUD|Low: $19,650 AUD|High: $25,881 AUD|Avg: $22,758 AUD|+0.8%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2$19,855 AUD
77 Diamonds$25,472 AUD

33 data points across 2 retailers

2 retailers$19,855 AUD to $25,472 AUD

B+
Cheapest Retailer
-
$19,855 AUD
Most Expensive
B
77 Diamonds
RBZHWEXGZHK · Nov 5
$25,472 AUD
£14,040 GBP
View
1 more retailer has this diamond
Prices start from $19,855 AUDSave up to $5,617 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+
2.56ct Round
$19,855 AUD