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Round|Natural|GIA

1.50ct K IF Round Natural Diamond

EX • K/IF • GIA 7551336108

Certificate GIA 7551336108

Diamond specifications and retailer prices

From £3,505 GBP
As of November 6, 2026
Save £1,226 GBP (26%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,731 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural round diamond

This 1.5ct 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 7551336108. Listed at 8 retailers as of November 5, 2026, with prices from £3,505 to £4,731, a £1,226 spread on the same certified stone. Blue Nile lists it at £4,731. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7551336108
Dimensions7.28 × 7.23 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.28 mm7.23 mm1.50 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551336108
Side View
Table 57.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°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: £4,731 GBP|Low: £3,505 GBP|High: £5,057 GBP|Avg: £4,140 GBP|-6.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£3,505 GBP
Retailer 4£3,855 GBP
Retailer 5£4,022 GBP
Retailer 3£4,144 GBP
Retailer 6£4,154 GBP
Retailer 7£4,235 GBP
Blue Nile£4,731 GBP

45 data points across 7 retailers

8 retailers£3,505 GBP to £4,731 GBP

A
Cheapest Retailer
-
£3,505 GBP
A
Retailer 2
-
£3,855 GBP
View
A
Retailer 3
-
£4,022 GBP
View
A
Retailer 4
-
£4,144 GBP
View
A
Retailer 5
-
£4,154 GBP
View
Final sale: no returns
A
Retailer 6
-
£4,235 GBP
View
B+
Retailer 7
-
£4,461 GBP
View
Most Expensive
B+
Blue Nile
29224268 · Nov 5
£4,731 GBP
$6,367 USD
View
7 more retailers have this diamond
Prices start from £3,505 GBPSave up to £1,226 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
1.50ct Round
£3,505 GBP