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Round|Natural|GIA

0.81ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6561251999

Certificate GIA 6561251999

Diamond specifications and retailer prices

From $1,290 NZD
As of November 4, 2026
Save $770 NZD (37%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,060 NZD at Frank Darling · As of November 6, 2026
View at Frank Darling

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 6561251999. Listed at 11 retailers as of November 4, 2026, with prices from $1,290 to $2,060, a $770 spread on the same certified stone. Frank Darling lists it at $2,060. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561251999
Dimensions5.93 × 5.95 × 3.72 mm
L/W Ratio1.00
Culet sizeNone
Top View
5.93 mm5.95 mm0.81 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561251999
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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: $2,060 NZD|Low: $1,277 NZD|High: $2,219 NZD|Avg: $1,678 NZD|-7.2%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$1,290 NZD
Retailer 5$1,291 NZD
Retailer 11$1,316 NZD
Retailer 9$1,347 NZD
Retailer 2$1,450 NZD
Retailer 10$1,555 NZD
Retailer 8$1,710 NZD
Retailer 6$1,750 NZD
Retailer 4$1,756 NZD
Retailer 3$1,975 NZD
Frank Darling$2,060 NZD

43 data points across 11 retailers

11 retailers$1,290 NZD to $2,060 NZD

A
Cheapest Retailer
-
$1,290 NZD
A
Retailer 2
-
$1,291 NZD
View
A
Retailer 3
-
$1,316 NZD
View
A
Retailer 4
-
$1,347 NZD
View
A
Retailer 5
-
$1,450 NZD
View
A
Retailer 6
-
$1,555 NZD
View
B+
Retailer 7
-
$1,710 NZD
View
A
Retailer 8
-
$1,750 NZD
View
A
Retailer 9
-
$1,756 NZD
View
B+
Retailer 10
-
$1,975 NZD
View
Most Expensive
B+
Frank Darling
2688565HK · Nov 6
$2,060 NZD
$1,158 USD
View
10 more retailers have this diamond
Prices start from $1,290 NZDSave up to $770 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
$1,290 NZD