Round|Natural|GIA

0.31ct J I1 Round Natural Diamond

EX • J/I1 • GIA 5436266167

Certificate GIA 5436266167

Diamond specifications and retailer prices

From £80 GBP
₹10,161 INR
As of November 1, 2026
Save £182 GBP (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £546 GBP at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 0.31ct natural round diamond

This 0.31ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 5436266167. Listed at 18 retailers as of November 1, 2026, with a 229% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.31
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5436266167
Dimensions4.30 × 4.32 × 2.70 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
4.30 mm4.32 mm0.31 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5436266167
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: £262 GBP|Low: £79 GBP|High: £263 GBP|Avg: £163 GBP|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2£80 GBP
Retailer 4£105 GBP
Retailer 5£116 GBP
Retailer 3£130 GBP
Retailer 6£248 GBP
Retailer 1£262 GBP

44 data points across 6 retailers

18 retailers£80 GBP to £262 GBP

A
Cheapest Retailer
-
£80 GBP
₹10,161 INR
A
Retailer 2
-
£105 GBP
HK$1,100 HKD
View
Retailer 3
-
£120 GBP
$161 USD
View
Price last confirmed 32 days ago
Retailer 4
-
£120 GBP
$161 USD
View
Price last confirmed 25 days ago
Retailer 5
-
£120 GBP
$161 USD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
£120 GBP
$161 USD
View
B+
Retailer 7
-
£120 GBP
$161 USD
View
A
Retailer 8
-
£130 GBP
$174 USD
View
Retailer 9
-
£134 GBP
$180 USD
View
Price last confirmed 18 days ago
B+
Retailer 10
-
£134 GBP
$180 USD
View
Retailer 11
-
£162 GBP
$217 USD
View
Price last confirmed 24 days ago
B+
Retailer 12
-
£162 GBP
$217 USD
View
Retailer 13
-
£162 GBP
$217 USD
View
Price last confirmed 29 days ago
B
Retailer 14
-
£248 GBP
$332 USD
View
B+
Retailer 15
-
£262 GBP
€334 EUR
View
Retailer 16
-
£546 GBP
$731 USD
View
Price last confirmed 30 days ago
Retailer 17
-
£546 GBP
$731 USD
View
Price last confirmed 24 days ago
Most Expensive
NZ Jewellers
9f043762-3048-499c-99f7-8f6eb3bcc579 · Oct 20
£546 GBP
$731 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from £80 GBPSave up to £182 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
0.31ct Round
£80 GBP