Round|Natural|GIA

0.80ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2437016139

Certificate GIA 2437016139

Diamond specifications and retailer prices

From $665 USD
As of November 6, 2026
Save $2,105 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,770 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2437016139. Listed at 11 retailers as of November 5, 2026, with prices from $665 to $2,770, a $2,105 spread on the same certified stone. NZ Jewellers lists it at $2,770. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2437016139
Dimensions5.89 × 5.91 × 3.72 mm
L/W Ratio1.00
Top View
5.89 mm5.91 mm0.80 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2437016139
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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 6
Current: $2,770 USD|Low: $589 USD|High: $2,824 USD|Avg: $1,111 USD|-1.9%
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
November 6, 2026
Retailer 4$589 USD
Retailer 11$665 USD
Retailer 3$815 USD
Retailer 5$860 USD
Retailer 13$894 USD
Retailer 6$919 USD
Retailer 7$1,016 USD
Retailer 12$1,016 USD
Retailer 8$1,060 USD
Retailer 2$1,166 USD
Retailer 9$1,235 USD
Retailer 10$1,617 USD
NZ Jewellers$2,770 USD

29 data points across 13 retailers

11 retailers$665 USD to $2,770 USD

A
Cheapest Retailer
-
$665 USD
Retailer 2
-
$815 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$894 USD
View
A
Retailer 4
-
$919 USD
View
B+
Retailer 5
-
$1,016 USD
View
A
Retailer 6
-
$1,016 USD
View
B+
Retailer 7
-
$1,060 USD
View
B+
Retailer 8
-
$1,166 USD
View
B+
Retailer 9
-
$1,235 USD
View
B
Retailer 10
-
$1,617 USD
View
Most Expensive
B
NZ Jewellers
a30a33d9-5a78-4db4-aacb-55aa3426b29f · Nov 5
$2,770 USD
View
10 more retailers have this diamond
Prices start from $665 USDSave up to $2,105 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
$665 USD