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Heart|Natural|GIA

1.51ct F SI1 Heart Natural Diamond

ID • F/SI1 • GIA 5241106036

Certificate GIA 5241106036

Diamond specifications and retailer prices

From £3,414 GBP
$4,582 USD
As of November 1, 2026
Save £2,824 GBP (45%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,238 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two 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 5241106036. Listed at 10 retailers as of October 27, 2026, with prices from £3,414 to £6,238, a £2,824 spread on the same certified stone. Wholesale Diamonds Direct lists it at £6,238. 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5241106036
Dimensions6.72 × 7.91 × 4.73 mm
L/W Ratio1.18
Top View
6.72 mm7.91 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5241106036
Side View
Table 59.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 59.8%

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 1
Current: £3,834 GBP|Low: £3,414 GBP|High: £6,238 GBP|Avg: £4,121 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 2, 2026
Retailer 6£3,414 GBP
Retailer 5£3,437 GBP
Retailer 3£3,513 GBP
Retailer 8£3,593 GBP
Retailer 7£3,704 GBP
Retailer 1£3,834 GBP
Retailer 4£4,251 GBP
Retailer 2£4,707 GBP
Wholesale Diamonds Direct£6,238 GBP

11 data points across 9 retailers

10 retailers£3,414 GBP to £6,238 GBP

A
Cheapest Retailer
-
£3,414 GBP
$4,582 USD
A
Retailer 2
-
£3,437 GBP
$4,612 USD
View
A
Retailer 3
-
£3,456 GBP
SGD 6,267 SGD
View
A
Retailer 4
-
£3,513 GBP
$4,714 USD
View
A
Retailer 5
-
£3,593 GBP
$4,822 USD
View
A
Retailer 6
-
£3,704 GBP
SGD 6,717 SGD
View
A
Retailer 7
-
£3,834 GBP
View
B+
Retailer 8
-
£4,251 GBP
$5,704 USD
View
B+
Retailer 9
-
£4,707 GBP
$6,316 USD
View
Most Expensive
B
Wholesale Diamonds Direct
600306056 · Oct 27
£6,238 GBP
$8,371 USD
View
9 more retailers have this diamond
Prices start from £3,414 GBPSave up to £2,824 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
1.51ct Heart
£3,414 GBP