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Round|Natural|GIA

1.25ct K IF Round Natural Diamond

EX • K/IF • GIA 7551375586

Certificate GIA 7551375586

Diamond specifications and retailer prices

From £1,635 GBP
As of November 6, 2026
Save £3,074 GBP (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,709 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7551375586. Listed at 10 retailers as of November 5, 2026, with prices from £1,635 to £4,709, a £3,074 spread on the same certified stone. NZ Jewellers lists it at £4,709. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7551375586
Dimensions6.83 × 6.79 × 4.28 mm
L/W Ratio1.01
Top View
6.83 mm6.79 mm1.25 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7551375586
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 6
Current: £4,709 GBP|Low: £1,578 GBP|High: £4,709 GBP|Avg: £2,760 GBP|+19.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3£1,635 GBP
Retailer 6£2,028 GBP
Retailer 4£2,273 GBP
Retailer 2£2,555 GBP
Retailer 7£3,326 GBP
Retailer 5£3,756 GBP
NZ Jewellers£4,709 GBP

35 data points across 7 retailers

10 retailers£1,635 GBP to £4,709 GBP

A
Cheapest Retailer
-
£1,635 GBP
A
Retailer 2
-
£2,028 GBP
View
A
Retailer 3
-
£2,273 GBP
View
Retailer 4
-
£2,301 GBP
View
Price last confirmed 36 days ago
Retailer 5
-
£2,389 GBP
View
Price last confirmed 38 days ago
A
Retailer 6
-
£2,555 GBP
View
Retailer 7
-
£3,326 GBP
View
Price last confirmed 16 days ago
B+
Retailer 8
-
£3,756 GBP
View
Retailer 9
-
£4,008 GBP
View
Price last confirmed 39 days ago
Most Expensive
B
NZ Jewellers
b448731f-acc4-4989-8ec1-7501bb08a78f · Nov 5
£4,709 GBP
$6,303 USD
View
9 more retailers have this diamond
Prices start from £1,635 GBPSave up to £3,074 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
1.25ct Round
£1,635 GBP