CaratHunter
Plans
Round|Natural|GIA

1.28ct I IF Round Natural Diamond

EX • I/IF • GIA 2484732356

Certificate GIA 2484732356

Diamond specifications and retailer prices

From £2,751 GBP
As of November 5, 2026
Save £3,627 GBP (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £6,377 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 2484732356. Listed at 23 retailers as of November 5, 2026, with prices from £2,751 to £6,377, a £3,627 spread on the same certified stone. NZ Jewellers lists it at £6,377. 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
FluorescenceStrong
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2484732356
Dimensions6.99 × 6.95 × 4.33 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.99 mm6.95 mm1.28 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2484732356
Side View
Table 57.0%Crown 35.5°Girdle: THN-MEDPavilion 41.2°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 5
Current: £3,745 GBP|Low: £2,751 GBP|High: £6,146 GBP|Avg: £3,895 GBP|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7£2,751 GBP
Retailer 10£2,777 GBP
Retailer 2£3,326 GBP
Retailer 5£3,395 GBP
Retailer 11£3,519 GBP
Retailer 1£3,745 GBP
Retailer 3£3,843 GBP
Retailer 9£3,908 GBP
Retailer 6£4,194 GBP
Retailer 4£4,652 GBP
Retailer 8£6,057 GBP

29 data points across 11 retailers

23 retailers£2,751 GBP to £6,377 GBP

A
Cheapest Retailer
-
£2,751 GBP
A
Retailer 2
-
£2,777 GBP
View
A
Retailer 3
-
£3,232 GBP
View
A
Retailer 4
-
£3,326 GBP
View
A
Retailer 5
-
£3,395 GBP
View
A
Retailer 6
-
£3,519 GBP
View
Final sale: no returns
Retailer 7
-
£3,531 GBP
View
Price last confirmed 11 days ago
Retailer 8
-
£3,538 GBP
View
Price last confirmed 109 days ago
A
Retailer 9
-
£3,581 GBP
View
A
Retailer 10
-
£3,745 GBP
View
A
Retailer 11
-
£3,813 GBP
View
Retailer 12
-
£3,813 GBP
View
Price last confirmed 8 days ago
A
Retailer 13
-
£3,813 GBP
View
Retailer 14
-
£3,843 GBP
View
Price last confirmed 28 days ago
A
Retailer 15
-
£3,908 GBP
View
A
Retailer 16
-
£3,922 GBP
View
A
Retailer 17
-
£3,972 GBP
View
A
Retailer 18
-
£4,194 GBP
View
B+
Retailer 19
-
£4,400 GBP
View
B+
Retailer 20
-
£4,652 GBP
View
B
Retailer 21
-
£5,908 GBP
View
B+
Retailer 22
-
£6,057 GBP
View
Most Expensive
B
NZ Jewellers
fcc37136-4708-483d-b1cf-bdb7f099f5f6 · Nov 5
£6,377 GBP
$8,583 USD
View
22 more retailers have this diamond
Prices start from £2,751 GBPSave up to £3,627 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
£2,751 GBP