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Round|Natural|GIA

1.51ct I I1 Round Natural Diamond

EX • I/I1 • GIA 6552108596

Certificate GIA 6552108596

Diamond specifications and retailer prices

From £2,446 GBP
HK$25,600 HKD
As of November 1, 2026
Save £1,147 GBP (32%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,527 GBP at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6552108596. Listed at 8 retailers as of November 1, 2026, with a 47% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552108596
Dimensions7.28 × 7.33 × 4.54 mm
L/W Ratio1.01
Top View
7.28 mm7.33 mm1.51 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552108596
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.2%

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: £2,949 GBP|Low: £2,379 GBP|High: £5,183 GBP|Avg: £3,396 GBP|-12.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5£2,446 GBP
Retailer 10£2,622 GBP
Retailer 3£2,666 GBP
Retailer 7£2,733 GBP
Retailer 6£2,736 GBP
Retailer 1£2,949 GBP
Retailer 2£3,476 GBP
Retailer 4£3,592 GBP
Retailer 9£4,116 GBP
Retailer 8£4,908 GBP

25 data points across 10 retailers

8 retailers£2,446 GBP to £3,592 GBP

A
Cheapest Retailer
-
£2,446 GBP
HK$25,600 HKD
A
Retailer 2
-
£2,666 GBP
$3,572 USD
View
Final sale: no returns
A
Retailer 3
-
£2,733 GBP
$3,662 USD
View
B+
Retailer 4
-
£2,736 GBP
$3,666 USD
View
B+
Retailer 5
-
£2,949 GBP
$3,951 USD
View
B+
Retailer 6
-
£3,592 GBP
€4,584 EUR
View
Retailer 7
-
£4,908 GBP
$6,576 USD
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
a6b90b78-ca4d-4cee-973f-84374f6b6915 · Oct 17
£5,527 GBP
$7,406 USD
View
Price last confirmed 15 days ago
7 more retailers have this diamond
Prices start from £2,446 GBPSave up to £1,147 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
1.51ct Round
£2,446 GBP