Round|Natural|GIA

0.31ct J VVS1 Round Natural Diamond

EX • J/VVS1 • GIA 6372602143

Certificate GIA 6372602143

Diamond specifications and retailer prices

From £253 GBP
$339 USD
As of October 31, 2026
Save £402 GBP (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,081 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6372602143. Listed at 18 retailers as of October 29, 2026, with a 159% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6372602143
Dimensions4.36 × 4.34 × 2.72 mm
L/W Ratio1.00
Top View
4.36 mm4.34 mm0.31 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6372602143
Side View
Table 55.0%Crown 36.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 31
Current: £366 GBP|Low: £255 GBP|High: £655 GBP|Avg: £409 GBP|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 2£255 GBP
Retailer 3£266 GBP
Retailer 10£275 GBP
Retailer 11£285 GBP
Retailer 12£344 GBP
Retailer 13£345 GBP
Retailer 1£366 GBP
Retailer 4£436 GBP
Retailer 7£437 GBP
Retailer 5£452 GBP
Retailer 6£515 GBP
Retailer 8£554 GBP
Retailer 9£655 GBP

34 data points across 13 retailers

18 retailers£253 GBP to £655 GBP

A
Cheapest Retailer
-
£253 GBP
$339 USD
A
Retailer 2
-
£255 GBP
$342 USD
View
A
Retailer 3
-
£266 GBP
$356 USD
View
A
Retailer 4
-
£275 GBP
$369 USD
View
A
Retailer 5
-
£285 GBP
$382 USD
View
B+
Retailer 6
-
£344 GBP
$461 USD
View
B+
Retailer 7
-
£345 GBP
$463 USD
View
B+
Retailer 8
-
£358 GBP
$480 USD
View
B+
Retailer 9
-
£358 GBP
$480 USD
View
B+
Retailer 10
-
£366 GBP
View
B+
Retailer 11
-
£366 GBP
$490 USD
View
B
Retailer 12
-
£436 GBP
$584 USD
View
B+
Retailer 13
-
£437 GBP
ZAR 9,462 ZAR
View
Retailer 14
-
£452 GBP
A$931 AUD
View
Price last confirmed 28 days ago
B
Retailer 15
-
£515 GBP
€657 EUR
View
B
Retailer 16
-
£554 GBP
View
B
Retailer 17
-
£655 GBP
View
Most Expensive
NZ Jewellers
db6a9ab6-4734-4d00-8d13-b25df75243b4 · Oct 30
£1,081 GBP
$1,448 USD
View
Price under review
17 more retailers have this diamond
Prices start from £253 GBPSave up to £402 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
£253 GBP