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Heart|Natural|GIA

0.75ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 3215143973

Certificate GIA 3215143973

Diamond specifications and retailer prices

From £1,009 GBP
As of November 5, 2026
Save £845 GBP (46%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,854 GBP at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 0.75ct natural heart diamond

This 0.75ct natural heart sits in the just-under-one-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 3215143973. Listed at 4 retailers as of November 5, 2026, with prices from £1,009 to £1,854, a £845 spread on the same certified stone. Cape Diamonds lists it at £1,854. 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

0.75
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3215143973
Dimensions5.31 × 6.28 × 3.80 mm
L/W Ratio1.18
Top View
5.31 mm6.28 mm0.75 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3215143973
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £1,854 GBP|Low: £1,546 GBP|High: £1,867 GBP|Avg: £1,707 GBP|+2.6%
Cape Diamonds
Retailer 2
November 5, 2026
Retailer 2£1,567 GBP
Cape Diamonds£1,854 GBP

37 data points across 2 retailers

4 retailers£1,009 GBP to £1,854 GBP

B+
Cheapest Retailer
-
£1,009 GBP
B+
Retailer 2
-
£1,027 GBP
View
B
Retailer 3
-
£1,567 GBP
View
Most Expensive
B
Cape Diamonds
cert_3215143973 · Nov 5
£1,854 GBP
ZAR 40,080 ZAR
View
3 more retailers have this diamond
Prices start from £1,009 GBPSave up to £845 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.

B+
0.75ct Heart
£1,009 GBP