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Round|Natural|GIA

0.80ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1565258810

Certificate GIA 1565258810

Diamond specifications and retailer prices

From $685 USD
As of November 5, 2026
Save $2,206 USD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,891 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565258810. Listed at 18 retailers as of November 5, 2026, with prices from $685 to $2,891, a $2,206 spread on the same certified stone. NZ Jewellers lists it at $2,891. 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

0.80
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1565258810
Dimensions5.92 × 5.90 × 3.71 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.92 mm5.90 mm0.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565258810
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 5
Current: $2,891 USD|Low: $685 USD|High: $2,969 USD|Avg: $1,171 USD|-2.6%
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
November 6, 2026
Retailer 12$685 USD
Retailer 6$691 USD
Retailer 15$830 USD
Retailer 13$873 USD
Retailer 17$903 USD
Retailer 9$922 USD
Retailer 7$941 USD
Retailer 4$957 USD
Retailer 10$962 USD
Retailer 3$1,064 USD
Retailer 14$1,072 USD
Retailer 11$1,104 USD
Retailer 2$1,155 USD
Retailer 5$1,203 USD
Retailer 16$1,312 USD
Retailer 8$1,687 USD
NZ Jewellers$2,891 USD

20 data points across 17 retailers

18 retailers$685 USD to $2,891 USD

A
Cheapest Retailer
-
$685 USD
A
Retailer 2
-
$691 USD
View
A
Retailer 3
-
$830 USD
View
A
Retailer 4
-
$873 USD
View
B+
Retailer 5
-
$903 USD
View
A
Retailer 6
-
$922 USD
View
A
Retailer 7
-
$929 USD
View
A
Retailer 8
-
$941 USD
View
A
Retailer 9
-
$957 USD
View
A
Retailer 10
-
$962 USD
View
A
Retailer 11
-
$1,064 USD
View
A
Retailer 12
-
$1,072 USD
View
B+
Retailer 13
-
$1,104 USD
View
B+
Retailer 14
-
$1,155 USD
View
B+
Retailer 15
-
$1,203 USD
View
B+
Retailer 16
-
$1,312 USD
View
B
Retailer 17
-
$1,687 USD
View
Most Expensive
B
NZ Jewellers
214b6b38-044e-4aa1-9cbc-ba5cf0d2e0ac · Nov 5
$2,891 USD
View
17 more retailers have this diamond
Prices start from $685 USDSave up to $2,206 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
0.80ct Round
$685 USD