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Round|Natural|GIA

2.81ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2556342116

Certificate GIA 2556342116

Diamond specifications and retailer prices

From $17,728 AUD
As of November 4, 2026
Save $9,040 AUD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $26,767 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 2.81ct natural round diamond

This 2.81ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556342116. Listed at 7 retailers as of November 2, 2026, with prices from $17,728 to $26,767, a $9,040 spread on the same certified stone. NZ Jewellers lists it at $26,767. 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

2.81
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556342116
Dimensions9.05 × 9.11 × 5.49 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather
Top View
9.05 mm9.11 mm2.81 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2556342116
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.5%

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: Nov 4
Current: $26,767 AUD|Low: $17,535 AUD|High: $28,047 AUD|Avg: $21,302 AUD|-4.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3$17,728 AUD
Retailer 5$18,478 AUD
Retailer 4$18,909 AUD
Retailer 2$19,103 AUD
Retailer 7$19,205 AUD
Retailer 9$20,458 AUD
Retailer 8$20,933 AUD
Retailer 10$22,179 AUD
Retailer 6$25,083 AUD
NZ Jewellers$26,767 AUD

35 data points across 10 retailers

7 retailers$17,728 AUD to $26,767 AUD

A
Cheapest Retailer
-
$17,728 AUD
A
Retailer 2
-
$18,478 AUD
View
A
Retailer 3
-
$18,909 AUD
View
A
Retailer 4
-
$19,103 AUD
View
A
Retailer 5
-
$19,205 AUD
View
B+
Retailer 6
-
$25,083 AUD
View
Most Expensive
B
NZ Jewellers
24019014-8a59-449e-9aa1-a7e89b8ef667 · Nov 2
$26,767 AUD
$18,738 USD
View
6 more retailers have this diamond
Prices start from $17,728 AUDSave up to $9,040 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.

A
2.81ct Round
$17,728 AUD