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Round|Natural|GIA

1.40ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 7556581543

Certificate GIA 7556581543

Diamond specifications and retailer prices

From £1,360 GBP
As of November 4, 2026
Save £1,322 GBP (49%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,682 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7556581543. Listed at 6 retailers as of November 4, 2026, with prices from £1,360 to £2,682, a £1,322 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,682. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7556581543
Dimensions7.25 × 7.21 × 4.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.25 mm7.21 mm1.40 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556581543
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,605 GBP|Low: £1,350 GBP|High: £2,792 GBP|Avg: £1,948 GBP|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 3, 2026
Retailer 2£1,360 GBP
Retailer 4£1,532 GBP
Retailer 1£1,605 GBP
Retailer 3£1,713 GBP
Retailer 6£1,834 GBP
Retailer 5£2,213 GBP
Retailer 7£2,308 GBP
Wholesale Diamonds Direct£2,682 GBP

20 data points across 8 retailers

6 retailers£1,360 GBP to £2,682 GBP

A
Cheapest Retailer
-
£1,360 GBP
A
Retailer 2
-
£1,532 GBP
View
Final sale: no returns
B+
Retailer 3
-
£1,605 GBP
View
B+
Retailer 4
-
£1,713 GBP
View
B+
Retailer 5
-
£1,834 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
425958176 · Nov 4
£2,682 GBP
$3,610 USD
View
5 more retailers have this diamond
Prices start from £1,360 GBPSave up to £1,322 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
£1,360 GBP