CaratHunter
Plans
Round|Natural|GIA

1.40ct K I1 Round Natural Diamond

EX • K/I1 • GIA 5443609156

Certificate GIA 5443609156

Diamond specifications and retailer prices

From £1,308 GBP
As of November 1, 2026
Save £2,109 GBP (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,417 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.4ct natural round diamond

This 1.4ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 5443609156. Listed at 9 retailers as of November 1, 2026, with prices from £1,308 to £3,417, a £2,109 spread on the same certified stone. NZ Jewellers lists it at £3,417. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5443609156
Dimensions7.17 × 7.11 × 4.45 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
7.17 mm7.11 mm1.40 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5443609156
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: £3,417 GBP|Low: £1,220 GBP|High: £3,542 GBP|Avg: £1,768 GBP|-3.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 4£1,220 GBP
Retailer 5£1,308 GBP
Retailer 7£1,337 GBP
Retailer 8£1,434 GBP
Retailer 6£1,481 GBP
Retailer 9£1,481 GBP
Retailer 11£1,549 GBP
Retailer 10£1,709 GBP
Retailer 3£1,832 GBP
Retailer 12£2,030 GBP
Retailer 2£2,033 GBP
NZ Jewellers£3,417 GBP

26 data points across 12 retailers

9 retailers£1,308 GBP to £3,417 GBP

A
Cheapest Retailer
-
£1,308 GBP
A
Retailer 2
-
£1,337 GBP
View
A
Retailer 3
-
£1,434 GBP
View
Retailer 4
-
£1,481 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£1,481 GBP
View
A
Retailer 6
-
£1,549 GBP
View
A
Retailer 7
-
£1,709 GBP
View
B+
Retailer 8
-
£2,033 GBP
View
Most Expensive
B
NZ Jewellers
079c6ba2-141e-40e2-8b63-f2ec2b7a8e51 · Nov 2
£3,417 GBP
$4,599 USD
View
8 more retailers have this diamond
Prices start from £1,308 GBPSave up to £2,109 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
1.40ct Round
£1,308 GBP