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Heart|Natural|GIA

1.51ct E SI1 Heart Natural Diamond

ID • E/SI1 • GIA 6562562962

Certificate GIA 6562562962

Diamond specifications and retailer prices

From £3,248 GBP
As of October 29, 2026
Save £2,279 GBP (41%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,527 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded E 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 6562562962. Listed at 4 retailers as of October 29, 2026, with prices from £3,248 to £5,527, a £2,279 spread on the same certified stone. MOH London lists it at £5,527. 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

1.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle39.91°
Pavilion angle39.89°
OriginNatural
Grading LabGIA
CertificateGIA 6562562962
Dimensions7.09 × 8.04 × 4.64 mm
L/W Ratio1.13
Girdle conditionVery Thick
Key to symbols
Crystal, Feather
Top View
7.09 mm8.04 mm1.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6562562962
Side View
Table 63.0%Crown 39.91°Girdle: MED-VTKPavilion 39.89°Culet: NoneDepth 57.7%

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: Oct 29
Current: £5,527 GBP|Low: £3,229 GBP|High: £5,527 GBP|Avg: £3,826 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 2£3,248 GBP
Retailer 3£3,262 GBP
Retailer 4£3,432 GBP
MOH London£5,527 GBP

15 data points across 4 retailers

4 retailers£3,248 GBP to £5,527 GBP

A
Cheapest Retailer
-
£3,248 GBP
A
Retailer 2
-
£3,262 GBP
$4,335 USD
View
A
Retailer 3
-
£3,432 GBP
$4,560 USD
View
Most Expensive
B+
MOH London
F1749D8E9 · Oct 29
£5,527 GBP
View
3 more retailers have this diamond
Prices start from £3,248 GBPSave up to £2,279 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
1.51ct Heart
£3,248 GBP