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Round|Natural|GIA

1.23ct J VVS2 Round Natural Diamond

EX • J/VVS2 • GIA 1433568398

Certificate GIA 1433568398

Diamond specifications and retailer prices

From £2,381 GBP
As of November 1, 2026
Save £2,222 GBP (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,604 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 1433568398. Listed at 9 retailers as of November 1, 2026, with prices from £2,381 to £4,604, a £2,222 spread on the same certified stone. NZ Jewellers lists it at £4,604. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1433568398
Dimensions6.95 × 6.93 × 4.21 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Needle, Pinpoint, Cloud
Top View
6.95 mm6.93 mm1.23 ctJ / VVS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1433568398
Side View
Table 58.0%Crown 32°Girdle: MED-UNDPavilion 41.4°Culet: NoneDepth 60.7%

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 1
Current: £3,225 GBP|Low: £2,068 GBP|High: £4,549 GBP|Avg: £2,955 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 6£2,381 GBP
Retailer 7£2,481 GBP
Retailer 5£2,645 GBP
Retailer 3£2,717 GBP
Retailer 8£2,830 GBP
Retailer 2£2,885 GBP
Retailer 1£3,225 GBP
Retailer 4£4,406 GBP

44 data points across 8 retailers

9 retailers£2,381 GBP to £4,604 GBP

A
Cheapest Retailer
-
£2,381 GBP
B+
Retailer 2
-
£2,481 GBP
View
Final sale: no returns
B+
Retailer 3
-
£2,645 GBP
View
B+
Retailer 4
-
£2,717 GBP
View
Retailer 5
-
£2,830 GBP
View
Price last confirmed 29 days ago
B+
Retailer 6
-
£2,885 GBP
View
B+
Retailer 7
-
£3,225 GBP
View
B
Retailer 8
-
£4,406 GBP
View
Most Expensive
B
NZ Jewellers
047e105c-7349-4a74-8a3a-9dc9ba189d91 · Nov 5
£4,604 GBP
$6,196 USD
View
8 more retailers have this diamond
Prices start from £2,381 GBPSave up to £2,222 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
1.23ct Round
£2,381 GBP