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Round|Natural|GIA

1.40ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 7518714216

Certificate GIA 7518714216

Diamond specifications and retailer prices

From £1,589 GBP
As of November 4, 2026
Save £838 GBP (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,423 GBP at NZ Jewellers · As of October 20, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7518714216. Listed at 10 retailers as of November 4, 2026, with a 53% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.40
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7518714216
Dimensions7.11 × 7.06 × 4.48 mm
L/W Ratio1.01
Star length55%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Needle
Top View
7.11 mm7.06 mm1.40 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7518714216
Side View
Table 55.0%Crown 36.5°Girdle: Sli. ThickPavilion 40.6°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £4,423 GBP|Low: £1,589 GBP|High: £4,423 GBP|Avg: £2,693 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6£1,589 GBP
Retailer 5£1,708 GBP
Retailer 2£2,052 GBP
Retailer 3£2,196 GBP
Retailer 4£2,427 GBP
NZ Jewellers£4,423 GBP

38 data points across 6 retailers

10 retailers£1,589 GBP to £2,427 GBP

B+
Cheapest Retailer
-
£1,589 GBP
B+
Retailer 2
-
£1,708 GBP
View
Retailer 3
-
£1,916 GBP
View
Price last confirmed 17 days ago
Retailer 4
-
£1,916 GBP
View
Price last confirmed 21 days ago
Retailer 5
-
£2,005 GBP
View
Price last confirmed 22 days ago
B
Retailer 6
-
£2,052 GBP
View
B
Retailer 7
-
£2,196 GBP
View
Retailer 8
-
£2,211 GBP
View
Price last confirmed 19 days ago
B
Retailer 9
-
£2,427 GBP
View
Most Expensive
NZ Jewellers
d6890470-a5df-47c8-9c54-d9832dab5233 · Oct 20
£4,423 GBP
$5,953 USD
View
Price under review
9 more retailers have this diamond
Prices start from £1,589 GBPSave up to £838 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.

B+
1.40ct Round
£1,589 GBP