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Round|Natural|GIA

0.80ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2437016139

Certificate GIA 2437016139

Diamond specifications and retailer prices

From $950 AUD
As of November 6, 2026
Save $3,007 AUD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,957 AUD 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 $950 to $3,957, a $3,007 spread on the same certified stone. NZ Jewellers lists it at $3,957. 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
Colour
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: $3,957 AUD|Low: $841 AUD|High: $4,034 AUD|Avg: $1,587 AUD|-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$841 AUD
Retailer 11$950 AUD
Retailer 3$1,164 AUD
Retailer 5$1,229 AUD
Retailer 13$1,277 AUD
Retailer 6$1,313 AUD
Retailer 7$1,451 AUD
Retailer 12$1,451 AUD
Retailer 8$1,514 AUD
Retailer 2$1,666 AUD
Retailer 9$1,764 AUD
Retailer 10$2,310 AUD
NZ Jewellers$3,957 AUD

29 data points across 13 retailers

11 retailers$950 AUD to $3,957 AUD

A
Cheapest Retailer
-
$950 AUD
Retailer 2
-
$1,164 AUD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$1,277 AUD
View
A
Retailer 4
-
$1,313 AUD
View
B+
Retailer 5
-
$1,451 AUD
View
A
Retailer 6
-
$1,451 AUD
View
B+
Retailer 7
-
$1,514 AUD
View
B+
Retailer 8
-
$1,666 AUD
View
B+
Retailer 9
-
$1,764 AUD
View
B
Retailer 10
-
$2,310 AUD
View
Most Expensive
B
NZ Jewellers
a30a33d9-5a78-4db4-aacb-55aa3426b29f · Nov 5
$3,957 AUD
$2,770 USD
View
10 more retailers have this diamond
Prices start from $950 AUDSave up to $3,007 AUD

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
$950 AUD