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Round|Natural|GIA

0.80ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2566394189

Certificate GIA 2566394189

Diamond specifications and retailer prices

From $1,256 AUD
As of November 4, 2026
Save $781 AUD (38%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,037 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 2566394189. Listed at 13 retailers as of November 4, 2026, with prices from $1,256 to $2,037, a $781 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,037. 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 2566394189
Dimensions5.90 × 5.94 × 3.69 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.90 mm5.94 mm0.80 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566394189
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 4
Current: $1,577 AUD|Low: $1,256 AUD|High: $2,089 AUD|Avg: $1,545 AUD|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 6, 2026
Retailer 10$1,256 AUD
Retailer 12$1,300 AUD
Retailer 6$1,303 AUD
Retailer 9$1,314 AUD
Retailer 11$1,350 AUD
Retailer 3$1,369 AUD
Retailer 7$1,440 AUD
Retailer 2$1,566 AUD
Retailer 1$1,577 AUD
Retailer 8$1,750 AUD
Retailer 5$1,810 AUD
Retailer 4$1,953 AUD
Wholesale Diamonds Direct$2,037 AUD

27 data points across 13 retailers

13 retailers$1,256 AUD to $2,037 AUD

A
Cheapest Retailer
-
$1,256 AUD
A
Retailer 2
-
$1,300 AUD
View
A
Retailer 3
-
$1,303 AUD
View
A
Retailer 4
-
$1,314 AUD
View
A
Retailer 5
-
$1,350 AUD
View
A
Retailer 6
-
$1,369 AUD
View
A
Retailer 7
-
$1,440 AUD
View
B+
Retailer 8
-
$1,566 AUD
View
B+
Retailer 9
-
$1,577 AUD
View
B+
Retailer 10
-
$1,750 AUD
View
B+
Retailer 11
-
$1,810 AUD
View
B+
Retailer 12
-
$1,953 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
611334247 · Nov 6
$2,037 AUD
$1,426 USD
View
12 more retailers have this diamond
Prices start from $1,256 AUDSave up to $781 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
$1,256 AUD