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Heart|Natural|GIA

1.30ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5536531320

Certificate GIA 5536531320

Diamond specifications and retailer prices

From £1,650 GBP
As of November 6, 2026
Save £1,475 GBP (47%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,125 GBP at MOH London · As of November 4, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536531320. Listed at 5 retailers as of November 4, 2026, with prices from £1,650 to £3,125, a £1,475 spread on the same certified stone. MOH London lists it at £3,125. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5536531320
Dimensions7.42 × 6.75 × 4.15 mm
L/W Ratio1.10
Top View
7.42 mm6.75 mm1.30 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536531320
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 55.8%

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 6
Current: £3,125 GBP|Low: £1,650 GBP|High: £3,134 GBP|Avg: £2,071 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 8£1,650 GBP
Retailer 12£1,691 GBP
Retailer 5£1,734 GBP
Retailer 11£1,786 GBP
Retailer 7£1,872 GBP
Retailer 6£1,892 GBP
Retailer 3£2,167 GBP
Retailer 4£2,167 GBP
Retailer 2£2,185 GBP
Retailer 10£2,224 GBP
Retailer 13£2,234 GBP
Retailer 9£2,275 GBP
MOH London£3,125 GBP

7 data points across 13 retailers

5 retailers£1,650 GBP to £3,125 GBP

A
Cheapest Retailer
-
£1,650 GBP
Final sale: no returns
A
Retailer 2
-
£1,872 GBP
View
A
Retailer 3
-
£1,892 GBP
View
B+
Retailer 4
-
£2,185 GBP
View
Most Expensive
B
MOH London
BDDF666E9 · Nov 4
£3,125 GBP
View
4 more retailers have this diamond
Prices start from £1,650 GBPSave up to £1,475 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
£1,650 GBP