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Heart|Natural|GIA

1.70ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 5222563345

Certificate GIA 5222563345

Diamond specifications and retailer prices

From £2,658 GBP
$3,567 USD
As of November 2, 2026
Save £1,166 GBP (30%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,824 GBP at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 1.7ct natural heart diamond

This 1.7ct natural heart sits in the one-and-a-half to two 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 5222563345. Listed at 11 retailers as of November 1, 2026, with prices from £2,658 to £3,824, a £1,166 spread on the same certified stone. 77 Diamonds lists it at £3,824. 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

1.70
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5222563345
Dimensions6.62 × 8.19 × 5.21 mm
L/W Ratio1.24
Top View
6.62 mm8.19 mm1.70 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5222563345
Side View
Table 59.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.6%

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: £3,824 GBP|Low: £2,624 GBP|High: £3,838 GBP|Avg: £3,234 GBP|+2.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6£2,658 GBP
Retailer 10£2,710 GBP
Retailer 12£2,736 GBP
Retailer 11£2,771 GBP
Retailer 3£3,183 GBP
Retailer 4£3,219 GBP
Retailer 5£3,332 GBP
Retailer 8£3,540 GBP
Retailer 9£3,540 GBP
Retailer 7£3,659 GBP
Retailer 2£3,699 GBP
77 Diamonds£3,824 GBP

39 data points across 12 retailers

11 retailers£2,658 GBP to £3,824 GBP

A
Cheapest Retailer
-
£2,658 GBP
$3,567 USD
A
Retailer 2
-
£2,710 GBP
$3,636 USD
View
A
Retailer 3
-
£2,736 GBP
$3,672 USD
View
A
Retailer 4
-
£2,771 GBP
$3,718 USD
View
A
Retailer 5
-
£2,871 GBP
A$5,928 AUD
View
A
Retailer 6
-
£3,332 GBP
$4,472 USD
View
B+
Retailer 7
-
£3,540 GBP
$4,750 USD
View
B+
Retailer 8
-
£3,540 GBP
$4,750 USD
View
B+
Retailer 9
-
£3,659 GBP
$4,910 USD
View
A
Retailer 10
-
£3,699 GBP
€4,727 EUR
View
Most Expensive
A
77 Diamonds
HSMBUQGT6SQX · Nov 1
£3,824 GBP
View
10 more retailers have this diamond
Prices start from £2,658 GBPSave up to £1,166 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
1.70ct Heart
£2,658 GBP