Round|Natural|GIA

0.80ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6451299981

Certificate GIA 6451299981

Diamond specifications and retailer prices

From $1,875 USD
As of October 30, 2026
Save $2,915 USD (61%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,790 USD at NZ Jewellers · As of October 20, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6451299981. Listed at 27 retailers as of October 30, 2026, with a 155% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6451299981
Dimensions6.00 × 5.97 × 3.60 mm
L/W Ratio1.01
Top View
6.00 mm5.97 mm0.80 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451299981
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,041 USD|Low: $1,756 USD|High: $4,063 USD|Avg: $2,779 USD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2$1,875 USD
Retailer 10$1,915 USD
Retailer 9$2,035 USD
Retailer 7$2,076 USD
Retailer 5$2,500 USD
Retailer 8$2,661 USD
Retailer 4$2,849 USD
Retailer 1$3,041 USD
Retailer 6$3,797 USD
Retailer 3$4,014 USD

40 data points across 10 retailers

27 retailers$1,875 USD to $4,790 USD

B+
Cheapest Retailer
-
$1,875 USD
B+
Retailer 2
-
$1,915 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,035 USD
View
Retailer 4
-
$2,076 USD
View
Price last confirmed 45 days ago
B+
Retailer 5
-
$2,076 USD
View
Retailer 6
-
$2,076 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$2,076 USD
View
Price last confirmed 23 days ago
Retailer 8
-
$2,076 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$2,134 USD
View
Retailer 10
-
$2,171 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$2,320 USD
View
B+
Retailer 12
-
$2,320 USD
View
B
Retailer 13
-
$2,390 USD
View
Retailer 14
-
$2,395 USD
View
Price last confirmed 40 days ago
Retailer 15
-
$2,395 USD
View
Price last confirmed 23 days ago
Retailer 16
-
$2,395 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$2,395 USD
View
B
Retailer 18
-
$2,500 USD
£1,968 GBP
View
B
Retailer 19
-
$2,661 USD
£2,095 GBP
View
B
Retailer 20
-
$2,849 USD
€2,713 EUR
View
B
Retailer 21
-
$3,041 USD
£2,394 GBP
View
B
Retailer 22
-
$3,797 USD
£2,990 GBP
View
B
Retailer 23
-
$4,014 USD
£3,161 GBP
View
B
Retailer 24
-
$4,790 USD
View
Retailer 25
-
$4,790 USD
View
Price last confirmed 42 days ago
Retailer 26
-
$4,790 USD
View
Price last confirmed 35 days ago
Most Expensive
NZ Jewellers
573c37b3-f920-4577-9a34-6bbad22aa79b · Oct 20
$4,790 USD
View
Price last confirmed 12 days ago
26 more retailers have this diamond
Prices start from $1,875 USDSave up to $2,915 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.

B+
0.80ct Round
$1,875 USD