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Round|Natural|GIA

2.81ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2557201585

Certificate GIA 2557201585

Diamond specifications and retailer prices

From $22,423 NZD
As of November 4, 2026
Save $18,037 NZD (45%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $40,460 NZD at MOH London · As of November 4, 2026
View at MOH London

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 2557201585. Listed at 19 retailers as of November 4, 2026, with prices from $22,423 to $40,460, a $18,037 spread on the same certified stone. MOH London lists it at $40,460. 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
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557201585
Dimensions9.02 × 8.98 × 5.61 mm
L/W Ratio1.00
Top View
9.02 mm8.98 mm2.81 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557201585
Side View
Table 60.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 62.3%

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: $40,460 NZD|Low: $22,423 NZD|High: $43,989 NZD|Avg: $29,581 NZD|-7.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 5$22,423 NZD
Retailer 6$22,677 NZD
Retailer 8$23,681 NZD
Retailer 7$23,880 NZD
Retailer 4$24,305 NZD
Retailer 10$24,894 NZD
Retailer 16$25,483 NZD
Retailer 18$26,096 NZD
Retailer 13$26,728 NZD
Retailer 11$26,746 NZD
Retailer 19$27,708 NZD
Retailer 9$28,140 NZD
Retailer 15$28,295 NZD
Retailer 3$29,224 NZD
Retailer 2$29,725 NZD
Retailer 14$31,282 NZD
Retailer 12$35,669 NZD
Retailer 17$36,800 NZD
MOH London$40,460 NZD

28 data points across 19 retailers

19 retailers$22,423 NZD to $40,460 NZD

A
Cheapest Retailer
-
$22,423 NZD
A
Retailer 2
-
$22,677 NZD
View
A
Retailer 3
-
$23,681 NZD
View
A
Retailer 4
-
$23,880 NZD
View
A
Retailer 5
-
$24,305 NZD
View
A
Retailer 6
-
$24,894 NZD
View
Final sale: no returns
A
Retailer 7
-
$25,483 NZD
View
B+
Retailer 8
-
$26,096 NZD
View
A
Retailer 9
-
$26,728 NZD
View
Retailer 10
-
$26,746 NZD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
$27,708 NZD
View
B+
Retailer 12
-
$28,140 NZD
View
B+
Retailer 13
-
$28,295 NZD
View
B+
Retailer 14
-
$29,224 NZD
View
B+
Retailer 15
-
$29,725 NZD
View
B+
Retailer 16
-
$31,282 NZD
View
B
Retailer 17
-
$35,669 NZD
View
B
Retailer 18
-
$36,800 NZD
View
Most Expensive
B
MOH London
3E8451477 · Nov 4
$40,460 NZD
£17,909 GBP
View
18 more retailers have this diamond
Prices start from $22,423 NZDSave up to $18,037 NZD

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
$22,423 NZD