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1.23ct G SI1 Round Natural Diamond

EX • G/SI1 • HRD 260000014468

Certificate HRD 260000014468

Diamond specifications and retailer prices

From £1,472 GBP
As of November 6, 2026
Save £1,371 GBP (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,842 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000014468. Listed at 8 retailers as of November 6, 2026, with prices from £1,472 to £2,842, a £1,371 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,842. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.23
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000014468
Dimensions6.82 × 6.84 × 4.27 mm
L/W Ratio1.00
Top View
6.82 mm6.84 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000014468
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.6%

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: £1,472 GBP|Low: £1,472 GBP|High: £2,842 GBP|Avg: £2,025 GBP|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 1£1,472 GBP
Retailer 3£1,525 GBP
Retailer 5£1,890 GBP
Retailer 6£1,972 GBP
Retailer 4£2,304 GBP
Retailer 2£2,374 GBP
Wholesale Diamonds Direct£2,842 GBP

33 data points across 7 retailers

8 retailers£1,472 GBP to £2,842 GBP

A
Cheapest Retailer
-
£1,472 GBP
A
Retailer 2
-
£1,525 GBP
View
A
Retailer 3
-
£1,890 GBP
View
A
Retailer 4
-
£1,953 GBP
View
Retailer 5
-
£1,972 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£2,304 GBP
View
A
Retailer 7
-
£2,374 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
418488393 · Nov 6
£2,842 GBP
$3,805 USD
View
7 more retailers have this diamond
Prices start from £1,472 GBPSave up to £1,371 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
£1,472 GBP