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Round|Natural|GIA

1.23ct K IF Round Natural Diamond

EX • K/IF • GIA 5563581080

Certificate GIA 5563581080

Diamond specifications and retailer prices

From £2,527 GBP
As of November 4, 2026
Save £1,976 GBP (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,502 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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5563581080. Listed at 15 retailers as of November 4, 2026, with prices from £2,527 to £4,502, a £1,976 spread on the same certified stone. Wholesale Diamonds Direct lists it at £4,502. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5563581080
Dimensions6.81 × 6.83 × 4.28 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.81 mm6.83 mm1.23 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563581080
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 4
Current: £3,392 GBP|Low: £2,527 GBP|High: £4,537 GBP|Avg: £3,149 GBP|-2.3%
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
Retailer 14
Wholesale Diamonds Direct
November 6, 2026
Retailer 4£2,527 GBP
Retailer 12£2,548 GBP
Retailer 6£2,578 GBP
Retailer 11£2,598 GBP
Retailer 8£2,690 GBP
Retailer 5£2,719 GBP
Retailer 2£2,747 GBP
Retailer 3£2,898 GBP
Retailer 13£3,202 GBP
Retailer 14£3,239 GBP
Retailer 10£3,346 GBP
Retailer 1£3,392 GBP
Retailer 7£3,492 GBP
Retailer 9£4,244 GBP
Wholesale Diamonds Direct£4,502 GBP

20 data points across 15 retailers

15 retailers£2,527 GBP to £4,502 GBP

A
Cheapest Retailer
-
£2,527 GBP
A
Retailer 2
-
£2,548 GBP
View
A
Retailer 3
-
£2,578 GBP
View
A
Retailer 4
-
£2,598 GBP
View
A
Retailer 5
-
£2,690 GBP
View
B+
Retailer 6
-
£2,719 GBP
View
A
Retailer 7
-
£2,747 GBP
View
B+
Retailer 8
-
£2,898 GBP
View
B+
Retailer 9
-
£3,202 GBP
View
B+
Retailer 10
-
£3,239 GBP
View
B+
Retailer 11
-
£3,346 GBP
View
B+
Retailer 12
-
£3,392 GBP
View
B+
Retailer 13
-
£3,492 GBP
View
B
Retailer 14
-
£4,244 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
611129026 · Nov 6
£4,502 GBP
$6,026 USD
View
14 more retailers have this diamond
Prices start from £2,527 GBPSave up to £1,976 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
£2,527 GBP