Heart|Natural|GIA

0.51ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 7531734784

Certificate GIA 7531734784

Diamond specifications and retailer prices

From £511 GBP
As of November 5, 2026
12 retailers carry this diamond
Most expensive: £1,406 GBP at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7531734784. Listed at 12 retailers as of November 5, 2026. 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

0.51
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle37.8°
OriginNatural
Grading LabGIA
CertificateGIA 7531734784
Dimensions4.89 × 5.43 × 3.25 mm
L/W Ratio1.11
Girdle conditionFaceted
Top View
4.89 mm5.43 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7531734784
Side View
Table 57.0%CrownGirdle: MED-VTKPavilion 37.8°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £511 GBP|Low: £278 GBP|High: £1,048 GBP|Avg: £565 GBP|+1.0%
Retailer 1
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 5, 2026
Retailer 3£344 GBP
Retailer 2£350 GBP
Retailer 13£430 GBP
Retailer 9£445 GBP
Retailer 6£461 GBP
Retailer 8£506 GBP
Retailer 1£511 GBP
Retailer 7£575 GBP
Retailer 12£591 GBP
Retailer 11£597 GBP
Retailer 5£607 GBP
Retailer 10£634 GBP
Retailer 4£696 GBP
Retailer 14£944 GBP

17 data points across 14 retailers

12 retailers

Retailer 1
-
£344 GBP
Price last confirmed 33 days ago
Retailer 2
-
£430 GBP
View
Price last confirmed 33 days ago
Retailer 3
-
£445 GBP
View
Price last confirmed 25 days ago
Retailer 4
-
£461 GBP
View
Price last confirmed 37 days ago
Retailer 5
-
£506 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£511 GBP
View
Retailer 7
-
£597 GBP
View
Price last confirmed 26 days ago
Retailer 8
-
£607 GBP
View
Price last confirmed 34 days ago
Retailer 9
-
£634 GBP
View
Price last confirmed 26 days ago
Retailer 10
-
£696 GBP
View
Price last confirmed 34 days ago
Retailer 11
-
£944 GBP
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
e96786bd-041f-4940-8851-93dd7aa5e356 · Sep 25
£1,406 GBP
$1,882 USD
View
Price under review
11 more retailers have this diamond
Prices start from £511 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.

B+
0.51ct Heart
£511 GBP