Round|Natural|GIA

0.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6505740011

Certificate GIA 6505740011

Diamond specifications and retailer prices

From $1,151 USD
As of November 5, 2026
Save $2,930 USD (72%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,081 USD 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 21 retailers as of November 5, 2026, with prices from $1,151 to $4,081, a $2,930 spread on the same certified stone. NZ Jewellers lists it at $4,081. 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
Color
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: $1,846 USD|Low: $1,144 USD|High: $2,966 USD|Avg: $1,949 USD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$1,151 USD
Retailer 6$1,310 USD
Retailer 9$1,405 USD
Retailer 8$1,605 USD
Retailer 1$1,846 USD
Retailer 4$2,111 USD
Retailer 7$2,183 USD
Retailer 2$2,475 USD
Retailer 5$2,923 USD

45 data points across 9 retailers

21 retailers$1,151 USD to $4,081 USD

A
Cheapest Retailer
-
$1,151 USD
A
Retailer 2
-
$1,310 USD
View
B+
Retailer 3
-
$1,363 USD
View
B+
Retailer 4
-
$1,405 USD
View
B+
Retailer 5
-
$1,448 USD
View
Retailer 6
-
$1,516 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$1,516 USD
View
B+
Retailer 8
-
$1,586 USD
View
B+
Retailer 9
-
$1,605 USD
View
B+
Retailer 10
-
$1,749 USD
View
B
Retailer 11
-
$1,790 USD
View
B
Retailer 12
-
$1,790 USD
View
B
Retailer 13
-
$1,846 USD
View
B
Retailer 14
-
$1,850 USD
View
B+
Retailer 15
-
$1,904 USD
View
B+
Retailer 16
-
$1,919 USD
View
B+
Retailer 17
-
$2,111 USD
View
Retailer 18
-
$2,183 USD
View
Price last confirmed 32 days ago
B
Retailer 19
-
$2,475 USD
View
B
Retailer 20
-
$2,923 USD
View
Most Expensive
B
NZ Jewellers
5d76311d-2d68-49ab-82bd-e004cc0963ae · Nov 5
$4,081 USD
View
20 more retailers have this diamond
Prices start from $1,151 USDSave up to $2,930 USD

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
$1,151 USD