Round|Natural|GIA

1.23ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 3505472296

Certificate GIA 3505472296

Diamond specifications and retailer prices

From £2,028 GBP
As of November 6, 2026
Save £1,918 GBP (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,945 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 3505472296. Listed at 13 retailers as of November 5, 2026, with prices from £2,028 to £3,945, a £1,918 spread on the same certified stone. NZ Jewellers lists it at £3,945. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3505472296
Dimensions6.90 × 6.91 × 4.18 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.90 mm6.91 mm1.23 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3505472296
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,945 GBP|Low: £1,691 GBP|High: £3,945 GBP|Avg: £2,412 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 5£1,860 GBP
Retailer 4£2,028 GBP
Retailer 13£2,028 GBP
Retailer 2£2,152 GBP
Retailer 8£2,265 GBP
Retailer 12£2,265 GBP
Retailer 9£2,352 GBP
Retailer 6£2,369 GBP
Retailer 3£2,370 GBP
Retailer 10£2,613 GBP
Retailer 7£2,630 GBP
Retailer 11£3,786 GBP
NZ Jewellers£3,945 GBP

32 data points across 13 retailers

13 retailers£2,028 GBP to £3,945 GBP

A
Cheapest Retailer
-
£2,028 GBP
A
Retailer 2
-
£2,028 GBP
View
B+
Retailer 3
-
£2,152 GBP
View
Retailer 4
-
£2,265 GBP
View
Price last confirmed 12 days ago
Retailer 5
-
£2,265 GBP
View
Price last confirmed 21 days ago
B+
Retailer 6
-
£2,265 GBP
View
B+
Retailer 7
-
£2,352 GBP
View
B+
Retailer 8
-
£2,369 GBP
View
B+
Retailer 9
-
£2,370 GBP
View
B
Retailer 10
-
£2,613 GBP
View
B
Retailer 11
-
£2,630 GBP
View
B
Retailer 12
-
£3,786 GBP
View
Most Expensive
B
NZ Jewellers
afa678ff-d415-4b1f-acb8-17e7c10cf738 · Nov 5
£3,945 GBP
$5,310 USD
View
12 more retailers have this diamond
Prices start from £2,028 GBPSave up to £1,918 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
£2,028 GBP