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Heart|Natural|GIA

1.60ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 6445848692

Certificate GIA 6445848692

Diamond specifications and retailer prices

From £4,730 GBP
$6,348 USD
As of November 2, 2026
Save £1,848 GBP (28%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,578 GBP at 77 Diamonds · As of November 3, 2026
View at 77 Diamonds

About this 1.6ct natural heart diamond

This 1.6ct 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 6445848692. Listed at 12 retailers as of November 2, 2026, with prices from £4,730 to £6,578, a £1,848 spread on the same certified stone. 77 Diamonds lists it at £6,578. 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

1.60
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.91°
Pavilion angle39.43°
OriginNatural
Grading LabGIA
CertificateGIA 6445848692
Dimensions6.78 × 8.02 × 4.85 mm
L/W Ratio1.18
Top View
6.78 mm8.02 mm1.60 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6445848692
Side View
Table 63.0%Crown 48.91°Girdle: THN-THKPavilion 39.43°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £6,578 GBP|Low: £4,664 GBP|High: £6,621 GBP|Avg: £5,630 GBP|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 3, 2026
Retailer 4£4,730 GBP
Retailer 3£5,016 GBP
Retailer 2£6,153 GBP
77 Diamonds£6,578 GBP

33 data points across 4 retailers

12 retailers£4,730 GBP to £6,578 GBP

B+
Cheapest Retailer
-
£4,730 GBP
$6,348 USD
B+
Retailer 2
-
£4,909 GBP
$6,588 USD
View
B+
Retailer 3
-
£4,926 GBP
A$10,169 AUD
View
B+
Retailer 4
-
£5,016 GBP
$6,731 USD
View
B+
Retailer 5
-
£5,274 GBP
$7,078 USD
View
B+
Retailer 6
-
£5,339 GBP
$7,165 USD
View
B
Retailer 7
-
£5,365 GBP
$7,200 USD
View
B
Retailer 8
-
£5,365 GBP
$7,200 USD
View
B+
Retailer 9
-
£5,544 GBP
$7,440 USD
View
B
Retailer 10
-
£6,153 GBP
$8,257 USD
View
Retailer 11
-
£6,153 GBP
$8,257 USD
View
Price last confirmed 12 days ago
Most Expensive
B
77 Diamonds
HSZPZ7XKCZQ · Nov 3
£6,578 GBP
View
11 more retailers have this diamond
Prices start from £4,730 GBPSave up to £1,848 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+
1.60ct Heart
£4,730 GBP