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Round|Natural|GIA

1.28ct I IF Round Natural Diamond

EX • I/IF • GIA 5566053988

Certificate GIA 5566053988

Diamond specifications and retailer prices

From £2,957 GBP
As of November 4, 2026
Save £3,721 GBP (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £6,678 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5566053988. Listed at 24 retailers as of November 4, 2026, with prices from £2,957 to £6,678, a £3,721 spread on the same certified stone. NZ Jewellers lists it at £6,678. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5566053988
Dimensions6.88 × 6.94 × 4.30 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.88 mm6.94 mm1.28 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566053988
Side View
Table 55.0%Crown 34.5°Girdle: Slightly ThickPavilion 40.6°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 4
Current: £6,678 GBP|Low: £2,929 GBP|High: £6,678 GBP|Avg: £3,859 GBP
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 22
November 5, 2026
Retailer 5£2,957 GBP
Retailer 17£3,127 GBP
Retailer 8£3,516 GBP
Retailer 2£3,554 GBP
Retailer 6£3,613 GBP
Retailer 15£3,657 GBP
Retailer 3£3,685 GBP
Retailer 18£3,748 GBP
Retailer 7£3,753 GBP
Retailer 14£3,851 GBP
Retailer 4£3,993 GBP
Retailer 21£3,993 GBP
Retailer 11£4,139 GBP
Retailer 10£4,219 GBP
Retailer 16£4,359 GBP
Retailer 20£4,489 GBP
Retailer 13£4,607 GBP
Retailer 19£4,653 GBP
Retailer 9£4,865 GBP
Retailer 12£5,740 GBP
Retailer 22£6,341 GBP
NZ Jewellers£6,678 GBP

45 data points across 22 retailers

24 retailers£2,957 GBP to £6,678 GBP

A
Cheapest Retailer
-
£2,957 GBP
A
Retailer 2
-
£3,127 GBP
View
A
Retailer 3
-
£3,466 GBP
View
A
Retailer 4
-
£3,516 GBP
View
A
Retailer 5
-
£3,554 GBP
View
A
Retailer 6
-
£3,613 GBP
View
Retailer 7
-
£3,657 GBP
View
Price last confirmed 23 days ago
A
Retailer 8
-
£3,685 GBP
View
Final sale: no returns
A
Retailer 9
-
£3,748 GBP
View
A
Retailer 10
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£3,753 GBP
View
Price last confirmed 7 days ago
Retailer 11
-
£3,851 GBP
View
Price last confirmed 9 days ago
A
Retailer 12
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£3,968 GBP
View
A
Retailer 13
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£3,993 GBP
View
A
Retailer 14
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£3,993 GBP
View
A
Retailer 15
-
£4,139 GBP
View
Retailer 16
-
£4,219 GBP
View
Price last confirmed 8 days ago
A
Retailer 17
-
£4,359 GBP
View
A
Retailer 18
-
£4,489 GBP
View
B+
Retailer 19
-
£4,607 GBP
View
B+
Retailer 20
-
£4,653 GBP
View
Retailer 21
-
£4,865 GBP
View
Price last confirmed 15 days ago
B+
Retailer 22
-
£5,740 GBP
View
B+
Retailer 23
-
£6,341 GBP
View
Most Expensive
B
NZ Jewellers
21ab1a27-7ad4-45fa-b7bf-31222146f5e3 · Nov 5
£6,678 GBP
$8,988 USD
View
23 more retailers have this diamond
Prices start from £2,957 GBPSave up to £3,721 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
1.28ct Round
£2,957 GBP