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Round|Natural|GIA

1.50ct I IF Round Natural Diamond

EX • I/IF • GIA 1399868716

Certificate GIA 1399868716

Diamond specifications and retailer prices

From £5,108 GBP
As of November 1, 2026
Save £6,344 GBP (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £11,452 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1399868716. Listed at 20 retailers as of November 1, 2026, with prices from £5,108 to £11,452, a £6,344 spread on the same certified stone. NZ Jewellers lists it at £11,452. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1399868716
Dimensions7.42 × 7.36 × 4.46 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.42 mm7.36 mm1.50 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1399868716
Side View
Table 59.0%Crown 33.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 60.4%

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: £11,452 GBP|Low: £5,108 GBP|High: £11,452 GBP|Avg: £6,883 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 5£5,108 GBP
Retailer 12£5,361 GBP
Retailer 11£5,706 GBP
Retailer 13£5,725 GBP
Retailer 9£5,725 GBP
Retailer 2£6,244 GBP
Retailer 3£6,371 GBP
Retailer 10£6,452 GBP
Retailer 4£7,405 GBP
Retailer 7£7,423 GBP
Retailer 6£8,353 GBP
Retailer 8£9,515 GBP
NZ Jewellers£11,452 GBP

37 data points across 13 retailers

20 retailers£5,108 GBP to £11,452 GBP

A
Cheapest Retailer
-
£5,108 GBP
A
Retailer 2
-
£5,361 GBP
View
A
Retailer 3
-
£5,706 GBP
View
A
Retailer 4
-
£5,725 GBP
View
Final sale: no returns
Retailer 5
-
£5,725 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£6,203 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£6,244 GBP
View
Retailer 8
-
£6,298 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£6,371 GBP
View
Retailer 10
-
£6,452 GBP
View
Price last confirmed 14 days ago
B+
Retailer 11
-
£6,806 GBP
View
B+
Retailer 12
-
£6,806 GBP
View
B+
Retailer 13
-
£7,029 GBP
View
B+
Retailer 14
-
£7,157 GBP
View
B+
Retailer 15
-
£7,405 GBP
View
B+
Retailer 16
-
£7,423 GBP
View
Retailer 17
-
£7,540 GBP
View
Price last confirmed 14 days ago
B+
Retailer 18
-
£8,353 GBP
View
B+
Retailer 19
-
£9,515 GBP
View
Most Expensive
B
NZ Jewellers
ba7d7297-90c3-42e4-9d62-a8fa388545c6 · Nov 5
£11,452 GBP
$15,413 USD
View
19 more retailers have this diamond
Prices start from £5,108 GBPSave up to £6,344 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
£5,108 GBP