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Heart|Natural|GIA

1.40ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 2427827871

Certificate GIA 2427827871

Diamond specifications and retailer prices

From £2,026 GBP
As of November 6, 2026
Save £2,318 GBP (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,344 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.4ct natural heart diamond

This 1.4ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2427827871. Listed at 17 retailers as of November 4, 2026, with prices from £2,026 to £4,344, a £2,318 spread on the same certified stone. MOH London lists it at £4,344. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.92°
Pavilion angle54.71°
OriginNatural
Grading LabGIA
CertificateGIA 2427827871
Dimensions6.41 × 5.97 × 4.17 mm
L/W Ratio1.07
Top View
6.41 mm5.97 mm1.40 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2427827871
Side View
Table 62.0%Crown 41.92°Girdle: MED-THKPavilion 54.71°Culet: NoneDepth 69.7%

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 6
Current: £4,344 GBP|Low: £2,026 GBP|High: £4,408 GBP|Avg: £2,851 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£2,026 GBP
Retailer 8£2,037 GBP
Retailer 10£2,403 GBP
Retailer 7£2,429 GBP
Retailer 5£2,679 GBP
Retailer 4£2,829 GBP
Retailer 9£2,932 GBP
Retailer 3£3,032 GBP
Retailer 6£3,179 GBP
MOH London£4,344 GBP

29 data points across 10 retailers

17 retailers£2,026 GBP to £4,344 GBP

A
Cheapest Retailer
-
£2,026 GBP
A
Retailer 2
-
£2,037 GBP
View
A
Retailer 3
-
£2,312 GBP
View
A
Retailer 4
-
£2,403 GBP
View
Final sale: no returns
A
Retailer 5
-
£2,429 GBP
View
A
Retailer 6
-
£2,510 GBP
View
Retailer 7
-
£2,604 GBP
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£2,608 GBP
View
A
Retailer 9
-
£2,679 GBP
View
B+
Retailer 10
-
£2,712 GBP
View
Retailer 11
-
£2,792 GBP
View
Price last confirmed 34 days ago
B+
Retailer 12
-
£2,829 GBP
View
B+
Retailer 13
-
£3,032 GBP
View
B+
Retailer 14
-
£3,179 GBP
View
B+
Retailer 15
-
£3,827 GBP
View
B
Retailer 16
-
£3,934 GBP
View
Most Expensive
B
MOH London
8D7273431 · Nov 4
£4,344 GBP
View
16 more retailers have this diamond
Prices start from £2,026 GBPSave up to £2,318 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 Heart
£2,026 GBP