Round|Natural|GIA

2.81ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2556342116

Certificate GIA 2556342116

Diamond specifications and retailer prices

From $12,410 USD
As of November 4, 2026
Save $6,328 USD (34%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $18,738 USD 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 $12,410 to $18,738, a $6,328 spread on the same certified stone. NZ Jewellers lists it at $18,738. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $18,738 USD|Low: $12,275 USD|High: $19,634 USD|Avg: $14,912 USD|-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$12,410 USD
Retailer 5$12,935 USD
Retailer 4$13,237 USD
Retailer 2$13,373 USD
Retailer 7$13,444 USD
Retailer 9$14,321 USD
Retailer 8$14,654 USD
Retailer 10$15,526 USD
Retailer 6$17,559 USD
NZ Jewellers$18,738 USD

35 data points across 10 retailers

7 retailers$12,410 USD to $18,738 USD

A
Cheapest Retailer
-
$12,410 USD
A
Retailer 2
-
$12,935 USD
View
A
Retailer 3
-
$13,237 USD
View
A
Retailer 4
-
$13,373 USD
View
A
Retailer 5
-
$13,444 USD
View
B+
Retailer 6
-
$17,559 USD
View
Most Expensive
B
NZ Jewellers
24019014-8a59-449e-9aa1-a7e89b8ef667 · Nov 2
$18,738 USD
View
6 more retailers have this diamond
Prices start from $12,410 USDSave up to $6,328 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
2.81ct Round
$12,410 USD