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Round|Natural|GIA

1.23ct H VVS2 Round Natural Diamond

EX • H/VVS2 • GIA 1558893166

Certificate GIA 1558893166

Diamond specifications and retailer prices

From £4,195 GBP
CA$7,819 CAD
As of November 2, 2026
Save £957 GBP (19%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,152 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 1558893166. Listed at 4 retailers as of November 2, 2026, with prices from £4,195 to £5,152, a £957 spread on the same certified stone. 77 Diamonds lists it at £5,152. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1558893166
Dimensions6.83 × 6.83 × 4.23 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Needle, Pinpoint
Top View
6.83 mm6.83 mm1.23 ctH / VVS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558893166
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.8°CuletDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £5,152 GBP|Low: £4,195 GBP|High: £5,152 GBP|Avg: £4,789 GBP
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 3£4,195 GBP
Retailer 4£4,915 GBP
Retailer 2£5,121 GBP
77 Diamonds£5,152 GBP

14 data points across 4 retailers

4 retailers£4,195 GBP to £5,152 GBP

B+
Cheapest Retailer
-
£4,195 GBP
CA$7,819 CAD
B
Retailer 2
-
£4,915 GBP
$6,596 USD
View
B
Retailer 3
-
£5,121 GBP
€6,545 EUR
View
Most Expensive
B
77 Diamonds
RBMBZCEVYTQW · Nov 2
£5,152 GBP
View
3 more retailers have this diamond
Prices start from £4,195 GBPSave up to £957 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.

B+
1.23ct Round
£4,195 GBP