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Round|Natural|GIA

0.80ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2556292586

Certificate GIA 2556292586

Diamond specifications and retailer prices

From $931 AUD
As of November 5, 2026
Save $2,990 AUD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,921 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2556292586. Listed at 19 retailers as of November 5, 2026, with prices from $931 to $3,921, a $2,990 spread on the same certified stone. NZ Jewellers lists it at $3,921. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.80
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556292586
Dimensions5.88 × 5.85 × 3.71 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather
Top View
5.88 mm5.85 mm0.80 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556292586
Side View
Table 55.0%Crown 36.5°Girdle: STK-THKPavilion 40.2°Culet: NDepth 63.3%

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 5
Current: $3,921 AUD|Low: $931 AUD|High: $4,036 AUD|Avg: $1,559 AUD|-2.8%
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
Retailer 18
Retailer 19
November 6, 2026
Retailer 6$931 AUD
Retailer 12$931 AUD
Retailer 15$1,129 AUD
Retailer 4$1,154 AUD
Retailer 7$1,250 AUD
Retailer 10$1,287 AUD
Retailer 3$1,299 AUD
Retailer 11$1,333 AUD
Retailer 18$1,374 AUD
Retailer 5$1,383 AUD
Retailer 9$1,397 AUD
Retailer 17$1,409 AUD
Retailer 8$1,414 AUD
Retailer 14$1,440 AUD
Retailer 19$1,443 AUD
Retailer 2$1,614 AUD
Retailer 13$1,848 AUD
Retailer 16$2,287 AUD
NZ Jewellers$3,921 AUD

24 data points across 19 retailers

19 retailers$931 AUD to $3,921 AUD

A
Cheapest Retailer
-
$931 AUD
A
Retailer 2
-
$931 AUD
View
A
Retailer 3
-
$1,129 AUD
View
B+
Retailer 4
-
$1,154 AUD
View
Final sale: no returns
A
Retailer 5
-
$1,250 AUD
View
Retailer 6
-
$1,287 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,299 AUD
View
Retailer 8
-
$1,333 AUD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$1,374 AUD
View
B+
Retailer 10
-
$1,383 AUD
View
B+
Retailer 11
-
$1,397 AUD
View
B+
Retailer 12
-
$1,409 AUD
View
B+
Retailer 13
-
$1,414 AUD
View
B+
Retailer 14
-
$1,440 AUD
View
B+
Retailer 15
-
$1,443 AUD
View
B+
Retailer 16
-
$1,614 AUD
View
B+
Retailer 17
-
$1,848 AUD
View
B
Retailer 18
-
$2,287 AUD
View
Most Expensive
C
NZ Jewellers
23c776a9-8341-4435-9589-99ba9328d022 · Nov 5
$3,921 AUD
$2,745 USD
View
18 more retailers have this diamond
Prices start from $931 AUDSave up to $2,990 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
$931 AUD