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Heart|Natural|GIA

0.75ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6532703168

Certificate GIA 6532703168

Diamond specifications and retailer prices

From £510 GBP
$685 USD
As of November 2, 2026
Save £1,227 GBP (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,737 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.75ct natural heart diamond

This 0.75ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532703168. Listed at 14 retailers as of October 30, 2026, with prices from £510 to £1,737, a £1,227 spread on the same certified stone. NZ Jewellers lists it at £1,737. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6532703168
Dimensions5.52 × 6.35 × 3.62 mm
L/W Ratio1.15
Top View
5.52 mm6.35 mm0.75 ctI / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6532703168
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 57.0%

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 2
Current: £1,737 GBP|Low: £504 GBP|High: £1,737 GBP|Avg: £725 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 3£510 GBP
Retailer 12£554 GBP
Retailer 14£554 GBP
Retailer 6£559 GBP
Retailer 10£563 GBP
Retailer 13£575 GBP
Retailer 4£639 GBP
Retailer 8£639 GBP
Retailer 2£665 GBP
Retailer 11£686 GBP
Retailer 5£821 GBP
Retailer 9£827 GBP
Retailer 7£1,015 GBP
NZ Jewellers£1,737 GBP

45 data points across 14 retailers

14 retailers£510 GBP to £1,737 GBP

A
Cheapest Retailer
-
£510 GBP
$685 USD
Final sale: no returns
A
Retailer 2
-
£554 GBP
$743 USD
View
A
Retailer 3
-
£554 GBP
$743 USD
View
Retailer 4
-
£559 GBP
$751 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£563 GBP
$755 USD
View
A
Retailer 6
-
£575 GBP
$772 USD
View
B+
Retailer 7
-
£639 GBP
$858 USD
View
B+
Retailer 8
-
£639 GBP
$858 USD
View
B+
Retailer 9
-
£665 GBP
View
B+
Retailer 10
-
£686 GBP
$920 USD
View
Retailer 11
-
£821 GBP
A$1,696 AUD
View
Price last confirmed 29 days ago
B+
Retailer 12
-
£827 GBP
ZAR 17,930 ZAR
View
B
Retailer 13
-
£1,015 GBP
View
Most Expensive
B
NZ Jewellers
cb92c210-6abf-4d04-b5bb-185330550d91 · Oct 30
£1,737 GBP
$2,331 USD
View
13 more retailers have this diamond
Prices start from £510 GBPSave up to £1,227 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
0.75ct Heart
£510 GBP