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Heart|Natural|GIA

0.74ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1559522445

Certificate GIA 1559522445

Diamond specifications and retailer prices

From £432 GBP
MYR 2,360 MYR
As of November 2, 2026
Save £367 GBP (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £798 GBP at GemTrove · As of November 1, 2026
View at GemTrove

About this 0.74ct natural heart diamond

This 0.74ct natural heart sits in the half to three-quarter 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 1559522445. Listed at 6 retailers as of November 1, 2026, with prices from £432 to £798, a £367 spread on the same certified stone. GemTrove lists it at £798. 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

0.74
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1559522445
Dimensions5.79 × 6.30 × 3.60 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.79 mm6.30 mm0.74 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1559522445
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.2%

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: £798 GBP|Low: £396 GBP|High: £798 GBP|Avg: £549 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6£432 GBP
Retailer 5£435 GBP
Retailer 4£481 GBP
Retailer 2£534 GBP
Retailer 3£549 GBP
Retailer 7£575 GBP
GemTrove£798 GBP

40 data points across 7 retailers

6 retailers£432 GBP to £798 GBP

A
Cheapest Retailer
-
£432 GBP
MYR 2,360 MYR
A
Retailer 2
-
£435 GBP
$584 USD
View
Final sale: no returns
A
Retailer 3
-
£481 GBP
SGD 872 SGD
View
B+
Retailer 4
-
£534 GBP
View
B+
Retailer 5
-
£549 GBP
$737 USD
View
Most Expensive
B
GemTrove
GT-N-01265132-98 · Nov 1
£798 GBP
A$1,648 AUD
View
5 more retailers have this diamond
Prices start from £432 GBPSave up to £367 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
0.74ct Heart
£432 GBP