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Round|Natural|GIA

0.80ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6421965411

Certificate GIA 6421965411

Diamond specifications and retailer prices

From £490 GBP
HK$5,100 HKD
As of October 29, 2026
Save £1,588 GBP (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,078 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6421965411. Listed at 16 retailers as of October 29, 2026, with prices from £490 to £2,078, a £1,588 spread on the same certified stone. NZ Jewellers lists it at £2,078. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.80
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6421965411
Dimensions5.95 × 5.94 × 3.59 mm
L/W Ratio1.00
Top View
5.95 mm5.94 mm0.80 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6421965411
Side View
Table 59.0%CrownGirdle: SLI-THKPavilionCulet: NoneDepth 60.4%

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: Oct 29
Current: £2,078 GBP|Low: £490 GBP|High: £2,078 GBP|Avg: £817 GBP
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
October 30, 2026
Retailer 6£490 GBP
Retailer 17£534 GBP
Retailer 7£606 GBP
Retailer 8£608 GBP
Retailer 13£662 GBP
Retailer 15£662 GBP
Retailer 3£670 GBP
Retailer 14£688 GBP
Retailer 4£738 GBP
Retailer 5£762 GBP
Retailer 16£764 GBP
Retailer 10£770 GBP
Retailer 2£882 GBP
Retailer 11£933 GBP
Retailer 9£963 GBP
Retailer 12£1,215 GBP
NZ Jewellers£2,078 GBP

27 data points across 17 retailers

16 retailers£490 GBP to £2,078 GBP

A
Cheapest Retailer
-
£490 GBP
HK$5,100 HKD
B+
Retailer 2
-
£534 GBP
₹67,738 INR
View
B+
Retailer 3
-
£608 GBP
$810 USD
View
B+
Retailer 4
-
£662 GBP
$882 USD
View
B+
Retailer 5
-
£662 GBP
$882 USD
View
B+
Retailer 6
-
£670 GBP
$892 USD
View
B+
Retailer 7
-
£686 GBP
SGD 1,235 SGD
View
B+
Retailer 8
-
£688 GBP
$916 USD
View
B+
Retailer 9
-
£738 GBP
$983 USD
View
B+
Retailer 10
-
£762 GBP
$1,015 USD
View
B+
Retailer 11
-
£764 GBP
$1,018 USD
View
B+
Retailer 12
-
£770 GBP
View
B+
Retailer 13
-
£882 GBP
View
B+
Retailer 14
-
£933 GBP
€1,183 EUR
View
B
Retailer 15
-
£1,215 GBP
View
Most Expensive
C
NZ Jewellers
59605a1a-8ec6-4eac-a1b0-3ae195eee41b · Oct 30
£2,078 GBP
$2,767 USD
View
15 more retailers have this diamond
Prices start from £490 GBPSave up to £1,588 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
£490 GBP