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Round|Natural|IGI

1.27ct K I1 Round Natural Diamond

EX • K/I1 • IGI 536296290

Shape and cutting style on the report: Round brilliant

Certificate IGI 536296290

Diamond specifications and retailer prices

From £626 GBP
As of November 4, 2026
Save £1,409 GBP (69%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,035 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.27ct natural round diamond

This 1.27ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by IGI 536296290. Listed at 8 retailers as of November 4, 2026, with prices from £626 to £2,035, a £1,409 spread on the same certified stone. NZ Jewellers lists it at £2,035. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.2°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 536296290
Dimensions6.85 × 6.92 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT Faint Brown
Top View
6.85 mm6.92 mm1.27 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 536296290
Side View
Table 56.5%Crown 36.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.0%

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: £2,035 GBP|Low: £625 GBP|High: £2,240 GBP|Avg: £1,004 GBP|-9.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£626 GBP
Retailer 8£799 GBP
Retailer 6£834 GBP
Retailer 7£834 GBP
Retailer 9£865 GBP
Retailer 4£866 GBP
Retailer 5£963 GBP
Retailer 2£1,161 GBP
NZ Jewellers£2,035 GBP

43 data points across 9 retailers

8 retailers£626 GBP to £2,035 GBP

A
Cheapest Retailer
-
£626 GBP
B+
Retailer 2
-
£834 GBP
View
Retailer 3
-
£834 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£865 GBP
View
B+
Retailer 5
-
£866 GBP
View
B+
Retailer 6
-
£963 GBP
View
B+
Retailer 7
-
£1,161 GBP
View
Most Expensive
B
NZ Jewellers
5cdcd918-72fe-469e-b4fc-518e5465f07d · Nov 5
£2,035 GBP
$2,739 USD
View
7 more retailers have this diamond
Prices start from £626 GBPSave up to £1,409 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
1.27ct Round
£626 GBP