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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 $6,128 AUD
£3,389 GBP
As of October 30, 2026
Save $4,328 AUD (41%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $10,456 AUD 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 $6,128 to $10,456, a $4,328 spread on the same certified stone. MOH London lists it at $10,456. 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 30
Current: $10,456 AUD|Low: $6,107 AUD|High: $10,456 AUD|Avg: $7,242 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 2$6,128 AUD
Retailer 3$6,171 AUD
Retailer 4$6,492 AUD
MOH London$10,456 AUD

16 data points across 4 retailers

4 retailers$6,128 AUD to $10,456 AUD

A
Cheapest Retailer
-
$6,128 AUD
£3,389 GBP
A
Retailer 2
-
$6,171 AUD
$4,335 USD
View
A
Retailer 3
-
$6,492 AUD
$4,560 USD
View
Most Expensive
B+
MOH London
F1749D8E9 · Oct 29
$10,456 AUD
£5,783 GBP
View
3 more retailers have this diamond
Prices start from $6,128 AUDSave up to $4,328 AUD

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
$6,128 AUD