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Round|Natural|GIA

0.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6505740011

Certificate GIA 6505740011

Diamond specifications and retailer prices

From $2,076 NZD
As of November 5, 2026
Save $5,285 NZD (72%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,362 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505740011. Listed at 22 retailers as of November 5, 2026, with prices from $2,076 to $7,362, a $5,285 spread on the same certified stone. NZ Jewellers lists it at $7,362. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6505740011
Dimensions6.00 × 5.93 × 3.63 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.00 mm5.93 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6505740011
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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: $3,925 NZD|Low: $2,064 NZD|High: $5,350 NZD|Avg: $3,513 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$2,076 NZD
Retailer 8$2,363 NZD
Retailer 2$2,534 NZD
Retailer 10$2,895 NZD
Retailer 3$3,330 NZD
Retailer 6$3,808 NZD
Retailer 1$3,925 NZD
Retailer 9$3,938 NZD
Retailer 4$4,465 NZD
Retailer 7$5,273 NZD

44 data points across 10 retailers

22 retailers$2,076 NZD to $7,362 NZD

A
Cheapest Retailer
-
$2,076 NZD
A
Retailer 2
-
$2,363 NZD
View
B+
Retailer 3
-
$2,459 NZD
View
B+
Retailer 4
-
$2,534 NZD
View
B+
Retailer 5
-
$2,612 NZD
View
Retailer 6
-
$2,735 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$2,735 NZD
View
B+
Retailer 8
-
$2,861 NZD
View
B+
Retailer 9
-
$2,895 NZD
View
B+
Retailer 10
-
$3,155 NZD
View
B
Retailer 11
-
$3,229 NZD
View
B
Retailer 12
-
$3,229 NZD
View
B
Retailer 13
-
$3,330 NZD
View
B
Retailer 14
-
$3,337 NZD
View
B+
Retailer 15
-
$3,435 NZD
View
B+
Retailer 16
-
$3,462 NZD
View
B+
Retailer 17
-
$3,808 NZD
View
Retailer 18
-
$3,925 NZD
View
Retailer 19
-
$3,938 NZD
View
Price last confirmed 33 days ago
B
Retailer 20
-
$4,465 NZD
View
B
Retailer 21
-
$5,273 NZD
View
Most Expensive
B
NZ Jewellers
5d76311d-2d68-49ab-82bd-e004cc0963ae · Nov 5
$7,362 NZD
$4,081 USD
View
21 more retailers have this diamond
Prices start from $2,076 NZDSave up to $5,285 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
$2,076 NZD