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Heart|Natural|GIA

0.65ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 6535915854

Certificate GIA 6535915854

Diamond specifications and retailer prices

From £292 GBP
₹37,308 INR
As of November 2, 2026
Save £353 GBP (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £646 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 0.65ct natural heart diamond

This 0.65ct natural heart sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535915854. Listed at 8 retailers as of November 2, 2026, with prices from £292 to £646, a £353 spread on the same certified stone. 77 Diamonds lists it at £646. 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

0.65
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6535915854
Dimensions5.48 × 6.06 × 3.50 mm
L/W Ratio1.11
Top View
5.48 mm6.06 mm0.65 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6535915854
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £646 GBP|Low: £292 GBP|High: £650 GBP|Avg: £438 GBP|+2.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2£292 GBP
Retailer 6£334 GBP
Retailer 5£350 GBP
Retailer 4£410 GBP
Retailer 3£536 GBP
77 Diamonds£646 GBP

46 data points across 6 retailers

8 retailers£292 GBP to £646 GBP

A
Cheapest Retailer
-
£292 GBP
₹37,308 INR
A
Retailer 2
-
£334 GBP
HK$3,500 HKD
View
A
Retailer 3
-
£350 GBP
SGD 634 SGD
View
A
Retailer 4
-
£410 GBP
$549 USD
View
A
Retailer 5
-
£414 GBP
SGD 750 SGD
View
B+
Retailer 6
-
£536 GBP
$718 USD
View
B+
Retailer 7
-
£546 GBP
$732 USD
View
Most Expensive
B
77 Diamonds
HSCPRXG3XE7E · Nov 2
£646 GBP
View
7 more retailers have this diamond
Prices start from £292 GBPSave up to £353 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
0.65ct Heart
£292 GBP