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Round|Natural|GIA

0.31ct J I1 Round Natural Diamond

EX • J/I1 • GIA 1459527320

Certificate GIA 1459527320

Diamond specifications and retailer prices

From £99 GBP
₹12,626 INR
As of November 2, 2026
Save £564 GBP (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £663 GBP at NZ Jewellers · As of October 30, 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 1459527320. Listed at 9 retailers as of October 30, 2026, with prices from £99 to £663, a £564 spread on the same certified stone. NZ Jewellers lists it at £663. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1459527320
Dimensions4.32 × 4.28 × 2.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather
Top View
4.32 mm4.28 mm0.31 ctJ / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1459527320
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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 2
Current: £663 GBP|Low: £99 GBP|High: £663 GBP|Avg: £239 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2£99 GBP
Retailer 7£146 GBP
Retailer 5£147 GBP
Retailer 9£158 GBP
Retailer 4£163 GBP
Retailer 8£197 GBP
Retailer 3£259 GBP
Retailer 6£270 GBP
NZ Jewellers£663 GBP

45 data points across 9 retailers

9 retailers£99 GBP to £663 GBP

A
Cheapest Retailer
-
£99 GBP
₹12,626 INR
B+
Retailer 2
-
£124 GBP
HK$1,300 HKD
View
B+
Retailer 3
-
£146 GBP
$196 USD
View
B+
Retailer 4
-
£158 GBP
$212 USD
View
B+
Retailer 5
-
£163 GBP
$219 USD
View
B+
Retailer 6
-
£197 GBP
$264 USD
View
B+
Retailer 7
-
£259 GBP
€331 EUR
View
B
Retailer 8
-
£270 GBP
$362 USD
View
Most Expensive
C
NZ Jewellers
419dfbcd-3b25-4fa2-91ac-1c1db51e76f3 · Oct 30
£663 GBP
$890 USD
View
8 more retailers have this diamond
Prices start from £99 GBPSave up to £564 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
£99 GBP