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Round|Natural|GIA

1.50ct E IF Round Natural Diamond

EX • E/IF • GIA 2151096123

Certificate GIA 2151096123

Diamond specifications and retailer prices

From £15,456 GBP
As of November 1, 2026
Save £18,397 GBP (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £33,853 GBP at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2151096123. Listed at 12 retailers as of November 1, 2026, with prices from £15,456 to £33,853, a £18,397 spread on the same certified stone. Diamond Quarter lists it at £33,853. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2151096123
Dimensions7.42 × 7.34 × 4.54 mm
L/W Ratio1.01
Top View
7.42 mm7.34 mm1.50 ctE / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2151096123
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.9%

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 1
Current: £17,599 GBP|Low: £15,236 GBP|High: £27,856 GBP|Avg: £19,215 GBP|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 4£15,456 GBP
Retailer 5£15,509 GBP
Retailer 1£17,599 GBP
Retailer 6£18,032 GBP
Retailer 2£20,557 GBP
Retailer 3£27,524 GBP

39 data points across 6 retailers

12 retailers£15,456 GBP to £33,853 GBP

A
Cheapest Retailer
-
£15,456 GBP
A
Retailer 2
-
£15,509 GBP
View
B+
Retailer 3
-
£16,582 GBP
View
B+
Retailer 4
-
£17,599 GBP
View
Retailer 5
-
£18,032 GBP
View
Price last confirmed 33 days ago
B+
Retailer 6
-
£18,837 GBP
View
B+
Retailer 7
-
£18,837 GBP
View
B+
Retailer 8
-
£19,467 GBP
View
B+
Retailer 9
-
£19,737 GBP
View
B+
Retailer 10
-
£20,557 GBP
View
B
Retailer 11
-
£27,524 GBP
View
Most Expensive
B
Diamond Quarter
1.5IFE212387C3N · Nov 2
£33,853 GBP
View
11 more retailers have this diamond
Prices start from £15,456 GBPSave up to £18,397 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
£15,456 GBP