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Round|Natural|GIA

0.90ct J I1 Round Natural Diamond

GD • J/I1 • GIA 6342707043

Certificate GIA 6342707043

Diamond specifications and retailer prices

From £726 GBP
HK$7,600 HKD
As of November 1, 2026
Save £1,258 GBP (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,984 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by GIA 6342707043. Listed at 8 retailers as of October 30, 2026, with prices from £726 to £1,984, a £1,258 spread on the same certified stone. NZ Jewellers lists it at £1,984. 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

0.90
Carat
J
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6342707043
Dimensions5.97 × 5.95 × 3.92 mm
L/W Ratio1.00
Top View
5.97 mm5.95 mm0.90 ctJ / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6342707043
Side View
Table 55.0%CrownGirdlePavilionCulet: NoneDepth 65.7%

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: Nov 1
Current: £1,984 GBP|Low: £716 GBP|High: £1,984 GBP|Avg: £1,012 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3£726 GBP
Retailer 8£779 GBP
Retailer 4£813 GBP
Retailer 6£813 GBP
Retailer 5£845 GBP
Retailer 7£939 GBP
Retailer 9£1,014 GBP
Retailer 2£1,135 GBP
NZ Jewellers£1,984 GBP

17 data points across 9 retailers

8 retailers£726 GBP to £1,984 GBP

B+
Cheapest Retailer
-
£726 GBP
HK$7,600 HKD
B
Retailer 2
-
£779 GBP
$1,044 USD
View
B
Retailer 3
-
£813 GBP
$1,090 USD
View
B
Retailer 4
-
£813 GBP
$1,090 USD
View
B
Retailer 5
-
£845 GBP
$1,132 USD
View
B
Retailer 6
-
£939 GBP
$1,258 USD
View
C
Retailer 7
-
£1,135 GBP
€1,448 EUR
View
Most Expensive
C
NZ Jewellers
ca1a2318-63de-40bd-996d-547cf28fbae0 · Oct 30
£1,984 GBP
$2,659 USD
View
7 more retailers have this diamond
Prices start from £726 GBPSave up to £1,258 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.

B+
0.90ct Round
£726 GBP