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Heart|Natural|GIA

1.30ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 2538460845

Certificate GIA 2538460845

Diamond specifications and retailer prices

From £1,777 GBP
As of November 6, 2026
Save £2,211 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,988 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.3ct natural heart diamond

This 1.3ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2538460845. Listed at 16 retailers as of November 2, 2026, with prices from £1,777 to £3,988, a £2,211 spread on the same certified stone. MOH London lists it at £3,988. 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

1.30
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle42.64°
Pavilion angle38.14°
OriginNatural
Grading LabGIA
CertificateGIA 2538460845
Dimensions6.55 × 7.37 × 4.40 mm
L/W Ratio1.13
Top View
6.55 mm7.37 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2538460845
Side View
Table 59.0%Crown 42.64°Girdle: STK-THKPavilion 38.14°Culet: NoneDepth 59.7%

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: £3,988 GBP|Low: £1,777 GBP|High: £4,036 GBP|Avg: £2,533 GBP|-0.9%
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£1,777 GBP
Retailer 8£2,201 GBP
Retailer 3£2,313 GBP
Retailer 7£2,385 GBP
Retailer 9£2,385 GBP
Retailer 4£2,468 GBP
Retailer 6£2,477 GBP
Retailer 10£2,554 GBP
Retailer 5£2,911 GBP
MOH London£3,988 GBP

37 data points across 10 retailers

16 retailers£1,777 GBP to £3,988 GBP

A
Cheapest Retailer
-
£1,777 GBP
A
Retailer 2
-
£2,136 GBP
View
A
Retailer 3
-
£2,137 GBP
View
A
Retailer 4
-
£2,195 GBP
View
A
Retailer 5
-
£2,201 GBP
View
Final sale: no returns
A
Retailer 6
-
£2,313 GBP
View
A
Retailer 7
-
£2,385 GBP
View
Retailer 8
-
£2,385 GBP
View
Price last confirmed 29 days ago
A
Retailer 9
-
£2,468 GBP
View
A
Retailer 10
-
£2,477 GBP
View
Retailer 11
-
£2,554 GBP
View
Price last confirmed 35 days ago
A
Retailer 12
-
£2,660 GBP
View
Retailer 13
-
£2,752 GBP
View
Price last confirmed 48 days ago
Retailer 14
-
£2,752 GBP
View
Price last confirmed 52 days ago
A
Retailer 15
-
£2,911 GBP
View
Most Expensive
B+
MOH London
CBC279E94 · Nov 2
£3,988 GBP
View
15 more retailers have this diamond
Prices start from £1,777 GBPSave up to £2,211 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
1.30ct Heart
£1,777 GBP