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Heart|Natural|GIA

0.75ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6561119586

Certificate GIA 6561119586

Diamond specifications and retailer prices

From £534 GBP
SGD 968 SGD
As of October 29, 2026
Save £308 GBP (37%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £842 GBP at GemTrove · As of November 3, 2026
View at GemTrove

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 6561119586. Listed at 5 retailers as of October 29, 2026, with prices from £534 to £842, a £308 spread on the same certified stone. GemTrove lists it at £842. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561119586
Dimensions5.66 × 6.35 × 3.75 mm
L/W Ratio1.12
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
5.66 mm6.35 mm0.75 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561119586
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.0%

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: Oct 29
Current: £842 GBP|Low: £433 GBP|High: £842 GBP|Avg: £603 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 3£482 GBP
Retailer 5£534 GBP
Retailer 6£566 GBP
Retailer 2£595 GBP
Retailer 4£608 GBP
GemTrove£842 GBP

36 data points across 6 retailers

5 retailers£534 GBP to £842 GBP

A
Cheapest Retailer
-
£534 GBP
SGD 968 SGD
Retailer 2
-
£566 GBP
$760 USD
View
Price last confirmed 28 days ago
A
Retailer 3
-
£595 GBP
View
A
Retailer 4
-
£608 GBP
$816 USD
View
Most Expensive
B+
GemTrove
GT-N-01265439-98 · Nov 3
£842 GBP
A$1,738 AUD
View
4 more retailers have this diamond
Prices start from £534 GBPSave up to £308 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
£534 GBP