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Round|Natural|GIA

0.80ct I I1 Round Natural Diamond

EX • I/I1 • GIA 1425643784

Certificate GIA 1425643784

Diamond specifications and retailer prices

From £640 GBP
HK$6,700 HKD
As of November 1, 2026
Save £1,606 GBP (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,246 GBP at NZ Jewellers · As of October 30, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 1425643784. Listed at 8 retailers as of October 30, 2026, with prices from £640 to £2,246, a £1,606 spread on the same certified stone. NZ Jewellers lists it at £2,246. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.80
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1425643784
Dimensions5.94 × 5.88 × 3.71 mm
L/W Ratio1.01
Key to symbols
Twinning Wisp, Feather
Top View
5.94 mm5.88 mm0.80 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1425643784
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 62.8%

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 1
Current: £2,246 GBP|Low: £554 GBP|High: £2,246 GBP|Avg: £920 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3£554 GBP
Retailer 8£640 GBP
Retailer 4£716 GBP
Retailer 6£716 GBP
Retailer 10£724 GBP
Retailer 5£744 GBP
Retailer 7£826 GBP
Retailer 11£845 GBP
Retailer 2£1,007 GBP
Retailer 9£1,041 GBP
NZ Jewellers£2,246 GBP

14 data points across 11 retailers

8 retailers£640 GBP to £2,246 GBP

A
Cheapest Retailer
-
£640 GBP
HK$6,700 HKD
B+
Retailer 2
-
£716 GBP
$960 USD
View
B+
Retailer 3
-
£716 GBP
$960 USD
View
B+
Retailer 4
-
£724 GBP
$970 USD
View
B+
Retailer 5
-
£744 GBP
$997 USD
View
B+
Retailer 6
-
£826 GBP
$1,107 USD
View
B
Retailer 7
-
£1,007 GBP
€1,285 EUR
View
Most Expensive
C
NZ Jewellers
d1c0d8cf-ab24-46b8-9590-5b293cc5d78d · Oct 30
£2,246 GBP
$3,010 USD
View
7 more retailers have this diamond
Prices start from £640 GBPSave up to £1,606 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
0.80ct Round
£640 GBP