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Round|Natural|GIA

0.80ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6545006193

Certificate GIA 6545006193

Diamond specifications and retailer prices

From $1,098 NZD
As of November 5, 2026
Save $3,437 NZD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,534 NZD 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 top-tier cut grade and certified by GIA 6545006193. Listed at 20 retailers as of November 5, 2026, with prices from $1,098 to $4,534, a $3,437 spread on the same certified stone. NZ Jewellers lists it at $4,534. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545006193
Dimensions5.92 × 5.87 × 3.72 mm
L/W Ratio1.01
Top View
5.92 mm5.87 mm0.80 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545006193
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.1%

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: $4,534 NZD|Low: $1,098 NZD|High: $4,638 NZD|Avg: $1,826 NZD|-2.2%
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
Retailer 20
November 6, 2026
Retailer 17$1,098 NZD
Retailer 12$1,115 NZD
Retailer 7$1,446 NZD
Retailer 9$1,466 NZD
Retailer 11$1,482 NZD
Retailer 20$1,501 NZD
Retailer 8$1,507 NZD
Retailer 13$1,544 NZD
Retailer 19$1,608 NZD
Retailer 10$1,669 NZD
Retailer 3$1,681 NZD
Retailer 6$1,704 NZD
Retailer 14$1,713 NZD
Retailer 16$1,738 NZD
Retailer 4$1,743 NZD
Retailer 2$1,813 NZD
Retailer 15$1,927 NZD
Retailer 18$2,138 NZD
Retailer 5$2,647 NZD
NZ Jewellers$4,534 NZD

15 data points across 20 retailers

20 retailers$1,098 NZD to $4,534 NZD

A
Cheapest Retailer
-
$1,098 NZD
A
Retailer 2
-
$1,115 NZD
View
A
Retailer 3
-
$1,446 NZD
View
A
Retailer 4
-
$1,466 NZD
View
Retailer 5
-
$1,482 NZD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,501 NZD
View
A
Retailer 7
-
$1,507 NZD
View
A
Retailer 8
-
$1,544 NZD
View
B+
Retailer 9
-
$1,608 NZD
View
A
Retailer 10
-
$1,669 NZD
View
A
Retailer 11
-
$1,681 NZD
View
A
Retailer 12
-
$1,704 NZD
View
A
Retailer 13
-
$1,713 NZD
View
A
Retailer 14
-
$1,738 NZD
View
A
Retailer 15
-
$1,743 NZD
View
A
Retailer 16
-
$1,813 NZD
View
A
Retailer 17
-
$1,927 NZD
View
B+
Retailer 18
-
$2,138 NZD
View
B+
Retailer 19
-
$2,647 NZD
View
Most Expensive
B
NZ Jewellers
ef739d07-087a-4231-97c0-db4d0ff768af · Nov 5
$4,534 NZD
$2,549 USD
View
19 more retailers have this diamond
Prices start from $1,098 NZDSave up to $3,437 NZD

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
$1,098 NZD