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Round|Natural|GIA

0.80ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 1172979194

Certificate GIA 1172979194

Diamond specifications and retailer prices

From $914 AUD
As of November 6, 2026
Save $2,931 AUD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,846 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 1172979194. Listed at 19 retailers as of November 5, 2026, with prices from $914 to $3,846, a $2,931 spread on the same certified stone. NZ Jewellers lists it at $3,846. 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 angle37.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1172979194
Dimensions5.76 × 5.82 × 3.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.76 mm5.82 mm0.80 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1172979194
Side View
Table 56.0%Crown 37.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.6%

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 6
Current: $3,846 AUD|Low: $914 AUD|High: $3,998 AUD|Avg: $1,575 AUD|-3.8%
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$914 AUD
Retailer 13$914 AUD
Retailer 15$1,100 AUD
Retailer 4$1,131 AUD
Retailer 7$1,227 AUD
Retailer 10$1,263 AUD
Retailer 3$1,274 AUD
Retailer 11$1,309 AUD
Retailer 5$1,360 AUD
Retailer 18$1,374 AUD
Retailer 9$1,377 AUD
Retailer 17$1,383 AUD
Retailer 8$1,400 AUD
Retailer 19$1,416 AUD
Retailer 12$1,456 AUD
Retailer 2$1,583 AUD
Retailer 14$1,813 AUD
Retailer 16$2,243 AUD
NZ Jewellers$3,846 AUD

25 data points across 19 retailers

19 retailers$914 AUD to $3,846 AUD

A
Cheapest Retailer
-
$914 AUD
A
Retailer 2
-
$914 AUD
View
A
Retailer 3
-
$1,100 AUD
View
B+
Retailer 4
-
$1,131 AUD
View
Final sale: no returns
A
Retailer 5
-
$1,227 AUD
View
Retailer 6
-
$1,263 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,274 AUD
View
Retailer 8
-
$1,309 AUD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$1,360 AUD
View
A
Retailer 10
-
$1,374 AUD
View
A
Retailer 11
-
$1,377 AUD
View
B+
Retailer 12
-
$1,383 AUD
View
A
Retailer 13
-
$1,400 AUD
View
A
Retailer 14
-
$1,416 AUD
View
B+
Retailer 15
-
$1,456 AUD
View
B+
Retailer 16
-
$1,583 AUD
View
B+
Retailer 17
-
$1,813 AUD
View
B
Retailer 18
-
$2,243 AUD
View
Most Expensive
B
NZ Jewellers
19b20a50-6bbc-467b-9f21-0d58d8462261 · Nov 5
$3,846 AUD
$2,692 USD
View
18 more retailers have this diamond
Prices start from $914 AUDSave up to $2,931 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
$914 AUD