Round|Natural|GIA

0.31ct J VVS2 Round Natural Diamond

EX • J/VVS2 • GIA 5156020618

Certificate GIA 5156020618

Diamond specifications and retailer prices

From £226 GBP
$303 USD
As of October 30, 2026
Save £333 GBP (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £962 GBP at NZ Jewellers · As of September 24, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 5156020618. Listed at 20 retailers as of October 29, 2026, with a 147% 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5156020618
Dimensions4.36 × 4.35 × 2.68 mm
L/W Ratio1.00
Top View
4.36 mm4.35 mm0.31 ctJ / VVS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5156020618
Side View
Table 58.0%Crown 35°Girdle: ThickPavilion 41°Culet: Very SmallDepth 61.6%

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: Oct 30
Current: £923 GBP|Low: £226 GBP|High: £938 GBP|Avg: £401 GBP|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 6£226 GBP
Retailer 10£260 GBP
Retailer 2£305 GBP
Retailer 4£330 GBP
Retailer 12£338 GBP
Retailer 9£349 GBP
Retailer 5£363 GBP
Retailer 7£373 GBP
Retailer 3£392 GBP
Retailer 8£451 GBP
Retailer 11£559 GBP
NZ Jewellers£923 GBP

37 data points across 12 retailers

20 retailers£226 GBP to £559 GBP

A
Cheapest Retailer
-
£226 GBP
$303 USD
Retailer 2
-
£245 GBP
$328 USD
View
Price last confirmed 30 days ago
Retailer 3
-
£251 GBP
$336 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
£260 GBP
$348 USD
View
A
Retailer 5
-
£269 GBP
$360 USD
View
Retailer 6
-
£273 GBP
$366 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
£305 GBP
View
Retailer 8
-
£330 GBP
$442 USD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
£338 GBP
$453 USD
View
B+
Retailer 10
-
£349 GBP
$467 USD
View
Retailer 11
-
£350 GBP
$469 USD
View
Price last confirmed 39 days ago
B+
Retailer 12
-
£363 GBP
$487 USD
View
B+
Retailer 13
-
£373 GBP
ZAR 8,082 ZAR
View
Retailer 14
-
£392 GBP
A$808 AUD
View
Price last confirmed 27 days ago
B+
Retailer 15
-
£451 GBP
€576 EUR
View
B
Retailer 16
-
£559 GBP
View
Retailer 17
-
£712 GBP
$954 USD
View
Price last confirmed 55 days ago
Retailer 18
-
£923 GBP
$1,237 USD
View
Price under review
Retailer 19
-
£938 GBP
$1,257 USD
View
Price under review
Most Expensive
NZ Jewellers
7ed6713d-90de-4f38-b16b-50cf6206598a · Sep 24
£962 GBP
$1,289 USD
View
Price under review
19 more retailers have this diamond
Prices start from £226 GBPSave up to £333 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
£226 GBP