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Round|Natural|GIA

0.81ct F IF Round Natural Diamond

EX • F/IF • GIA 6555618531

Certificate GIA 6555618531

Diamond specifications and retailer prices

From £1,949 GBP
HK$20,400 HKD
As of November 2, 2026
Save £2,602 GBP (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,980 GBP at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6555618531. Listed at 22 retailers as of November 2, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.81
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555618531
Dimensions6.01 × 6.02 × 3.66 mm
L/W Ratio1.00
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Minor Details of Polish
Top View
6.01 mm6.02 mm0.81 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555618531
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: £4,550 GBP|Low: £1,949 GBP|High: £4,750 GBP|Avg: £3,030 GBP|-4.2%
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
November 2, 2026
Retailer 2£1,949 GBP
Retailer 10£2,355 GBP
Retailer 14£2,410 GBP
Retailer 5£2,534 GBP
Retailer 4£2,632 GBP
Retailer 6£2,632 GBP
Retailer 11£2,712 GBP
Retailer 15£2,713 GBP
Retailer 13£2,720 GBP
Retailer 9£2,754 GBP
Retailer 8£2,879 GBP
Retailer 12£3,014 GBP
Retailer 7£3,052 GBP
Retailer 17£3,068 GBP
Retailer 16£3,344 GBP
Retailer 3£3,921 GBP
Retailer 18£4,402 GBP
NZ Jewellers£4,550 GBP

19 data points across 18 retailers

22 retailers£1,949 GBP to £4,550 GBP

A+
Cheapest Retailer
-
£1,949 GBP
HK$20,400 HKD
A
Retailer 2
-
£2,355 GBP
$3,156 USD
View
Retailer 3
-
£2,364 GBP
$3,167 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
£2,410 GBP
$3,229 USD
View
Final sale: no returns
A
Retailer 5
-
£2,534 GBP
$3,395 USD
View
B+
Retailer 6
-
£2,632 GBP
$3,527 USD
View
B+
Retailer 7
-
£2,632 GBP
$3,527 USD
View
B+
Retailer 8
-
£2,712 GBP
$3,634 USD
View
B+
Retailer 9
-
£2,713 GBP
View
B+
Retailer 10
-
£2,720 GBP
$3,644 USD
View
B+
Retailer 11
-
£2,754 GBP
SGD 4,986 SGD
View
B+
Retailer 12
-
£2,879 GBP
$3,858 USD
View
Retailer 13
-
£2,930 GBP
A$6,039 AUD
View
Price last confirmed 24 days ago
B+
Retailer 14
-
£3,014 GBP
$4,038 USD
View
B+
Retailer 15
-
£3,052 GBP
View
B+
Retailer 16
-
£3,068 GBP
€3,915 EUR
View
Retailer 17
-
£3,298 GBP
$4,419 USD
View
Price last confirmed 59 days ago
B+
Retailer 18
-
£3,344 GBP
View
B+
Retailer 19
-
£3,921 GBP
ZAR 84,868 ZAR
View
B
Retailer 20
-
£4,402 GBP
View
B
Retailer 21
-
£4,550 GBP
$6,097 USD
View
Most Expensive
NZ Jewellers
04adc99a-636f-41ab-83c9-b145543ba228 · Sep 1
£4,980 GBP
$6,672 USD
View
Price last confirmed 62 days ago
21 more retailers have this diamond
Prices start from £1,949 GBPSave up to £2,602 GBP

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+
0.81ct Round
£1,949 GBP