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Round|Natural|GIA

1.56ct K IF Round Natural Diamond

EX • K/IF • GIA 6552937958

Certificate GIA 6552937958

Diamond specifications and retailer prices

From £3,875 GBP
As of November 6, 2026
Save £5,115 GBP (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £8,989 GBP at Adiamor · As of November 5, 2026
View at Adiamor

About this 1.56ct natural round diamond

This 1.56ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6552937958. Listed at 9 retailers as of November 5, 2026, with prices from £3,875 to £8,989, a £5,115 spread on the same certified stone. Adiamor lists it at £8,989. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552937958
Dimensions7.35 × 7.38 × 4.62 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.35 mm7.38 mm1.56 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552937958
Side View
Table 57.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°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 6
Current: £8,989 GBP|Low: £3,875 GBP|High: £8,989 GBP|Avg: £5,930 GBP
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2£3,875 GBP
Retailer 8£3,918 GBP
Retailer 6£4,465 GBP
Retailer 7£4,481 GBP
Retailer 3£5,071 GBP
Retailer 5£5,314 GBP
Retailer 9£5,556 GBP
Retailer 4£7,472 GBP
Adiamor£8,989 GBP

37 data points across 9 retailers

9 retailers£3,875 GBP to £8,989 GBP

A
Cheapest Retailer
-
£3,875 GBP
A
Retailer 2
-
£3,918 GBP
View
A
Retailer 3
-
£4,465 GBP
View
A
Retailer 4
-
£4,481 GBP
View
B+
Retailer 5
-
£5,071 GBP
View
B+
Retailer 6
-
£5,314 GBP
View
B+
Retailer 7
-
£5,556 GBP
View
B+
Retailer 8
-
£7,472 GBP
View
Most Expensive
B
Adiamor
D-82342456 · Nov 5
£8,989 GBP
$12,099 USD
View
8 more retailers have this diamond
Prices start from £3,875 GBPSave up to £5,115 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
1.56ct Round
£3,875 GBP