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Round|Natural|GIA

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3425192437

Certificate GIA 3425192437

Diamond specifications and retailer prices

From $1,076 NZD
As of November 5, 2026
Save $3,383 NZD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,460 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3425192437. Listed at 19 retailers as of November 5, 2026, with prices from $1,076 to $4,460, a $3,383 spread on the same certified stone. NZ Jewellers lists it at $4,460. 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

0.81
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3425192437
Dimensions6.01 × 5.99 × 3.68 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.01 mm5.99 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3425192437
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

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 5
Current: $4,460 NZD|Low: $1,076 NZD|High: $4,549 NZD|Avg: $1,777 NZD|-2.0%
NZ Jewellers
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
November 6, 2026
Retailer 15$1,076 NZD
Retailer 10$1,092 NZD
Retailer 8$1,402 NZD
Retailer 3$1,421 NZD
Retailer 16$1,443 NZD
Retailer 9$1,453 NZD
Retailer 5$1,476 NZD
Retailer 18$1,480 NZD
Retailer 11$1,516 NZD
Retailer 4$1,640 NZD
Retailer 17$1,658 NZD
Retailer 12$1,674 NZD
Retailer 7$1,690 NZD
Retailer 14$1,704 NZD
Retailer 2$1,877 NZD
Retailer 13$1,891 NZD
Retailer 6$2,613 NZD
NZ Jewellers$4,460 NZD

16 data points across 18 retailers

19 retailers$1,076 NZD to $4,460 NZD

A
Cheapest Retailer
-
$1,076 NZD
A
Retailer 2
-
$1,092 NZD
View
A
Retailer 3
-
$1,402 NZD
View
A
Retailer 4
-
$1,421 NZD
View
A
Retailer 5
-
$1,443 NZD
View
Retailer 6
-
$1,453 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,476 NZD
View
A
Retailer 8
-
$1,480 NZD
View
A
Retailer 9
-
$1,516 NZD
View
Retailer 10
-
$1,610 NZD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$1,640 NZD
View
A
Retailer 12
-
$1,658 NZD
View
A
Retailer 13
-
$1,674 NZD
View
A
Retailer 14
-
$1,690 NZD
View
A
Retailer 15
-
$1,704 NZD
View
A
Retailer 16
-
$1,877 NZD
View
B+
Retailer 17
-
$1,891 NZD
View
B
Retailer 18
-
$2,613 NZD
View
Most Expensive
B
NZ Jewellers
e5fc6c79-4b1a-4ec2-b2f7-f794fd5eedf2 · Nov 5
$4,460 NZD
$2,507 USD
View
18 more retailers have this diamond
Prices start from $1,076 NZDSave up to $3,383 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
0.81ct Round
$1,076 NZD