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Heart|Natural|GIA

0.74ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6551123589

Certificate GIA 6551123589

Diamond specifications and retailer prices

From £411 GBP
$551 USD
As of November 2, 2026
Save £373 GBP (48%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £784 GBP at GemTrove · As of November 2, 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 6551123589. Listed at 5 retailers as of November 2, 2026, with prices from £411 to £784, a £373 spread on the same certified stone. GemTrove lists it at £784. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551123589
Dimensions5.61 × 6.30 × 3.74 mm
L/W Ratio1.12
Top View
5.61 mm6.30 mm0.74 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551123589
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.3%

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: £784 GBP|Low: £382 GBP|High: £784 GBP|Avg: £550 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 5£411 GBP
Retailer 4£454 GBP
Retailer 2£504 GBP
Retailer 3£521 GBP
Retailer 6£578 GBP
GemTrove£784 GBP

40 data points across 6 retailers

5 retailers£411 GBP to £784 GBP

A
Cheapest Retailer
-
£411 GBP
$551 USD
Final sale: no returns
A
Retailer 2
-
£454 GBP
SGD 824 SGD
View
A
Retailer 3
-
£504 GBP
View
B+
Retailer 4
-
£521 GBP
$699 USD
View
Most Expensive
B
GemTrove
GT-N-01265124-98 · Nov 2
£784 GBP
A$1,618 AUD
View
4 more retailers have this diamond
Prices start from £411 GBPSave up to £373 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
£411 GBP