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Round|Natural|GIA

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3505566471

Certificate GIA 3505566471

Diamond specifications and retailer prices

From $1,384 NZD
As of November 5, 2026
Save $2,955 NZD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,339 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 3505566471. Listed at 9 retailers as of November 5, 2026, with prices from $1,384 to $4,339, a $2,955 spread on the same certified stone. NZ Jewellers lists it at $4,339. 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
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3505566471
Dimensions5.93 × 5.95 × 3.73 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.93 mm5.95 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3505566471
Side View
Table 55.0%Crown 36.5°Girdle: Sli. ThickPavilion 40.6°Culet: NoneDepth 62.8%

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: $4,339 NZD|Low: $1,384 NZD|High: $4,501 NZD|Avg: $2,041 NZD|-3.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 7$1,384 NZD
Retailer 9$1,416 NZD
Retailer 8$1,436 NZD
Retailer 11$1,436 NZD
Retailer 6$1,596 NZD
Retailer 2$1,670 NZD
Retailer 3$1,702 NZD
Retailer 4$1,943 NZD
Retailer 10$2,446 NZD
Retailer 5$2,531 NZD
NZ Jewellers$4,339 NZD

28 data points across 11 retailers

9 retailers$1,384 NZD to $4,339 NZD

A
Cheapest Retailer
-
$1,384 NZD
A
Retailer 2
-
$1,416 NZD
View
A
Retailer 3
-
$1,436 NZD
View
A
Retailer 4
-
$1,596 NZD
View
A
Retailer 5
-
$1,670 NZD
View
B+
Retailer 6
-
$1,943 NZD
View
B
Retailer 7
-
$2,446 NZD
View
B
Retailer 8
-
$2,531 NZD
View
Most Expensive
C
NZ Jewellers
f82cbf11-ef89-490c-9c8e-28af64f274c3 · Nov 5
$4,339 NZD
$2,439 USD
View
8 more retailers have this diamond
Prices start from $1,384 NZDSave up to $2,955 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
$1,384 NZD