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Heart|Natural|GIA

1.56ct D IF Heart Natural Diamond

GD • D/IF • GIA 6511583775

Certificate GIA 6511583775

Diamond specifications and retailer prices

From £13,939 GBP
As of November 4, 2026
Save £7,457 GBP (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £21,396 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.56ct natural heart diamond

This 1.56ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6511583775. Listed at 11 retailers as of November 4, 2026, with prices from £13,939 to £21,396, a £7,457 spread on the same certified stone. MOH London lists it at £21,396. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.56
Carat
D
Colour
IF
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6511583775
Dimensions8.11 × 5.86 × 3.85 mm
L/W Ratio1.38
Top View
8.11 mm5.86 mm1.56 ctD / IF
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6511583775
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.7%

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 4
Current: £21,396 GBP|Low: £13,899 GBP|High: £21,713 GBP|Avg: £16,433 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 7£13,939 GBP
Retailer 6£14,316 GBP
Retailer 5£14,531 GBP
Retailer 2£14,576 GBP
Retailer 9£15,098 GBP
Retailer 8£15,805 GBP
Retailer 3£16,599 GBP
Retailer 10£16,859 GBP
Retailer 4£20,181 GBP
MOH London£21,396 GBP

43 data points across 10 retailers

11 retailers£13,939 GBP to £21,396 GBP

B+
Cheapest Retailer
-
£13,939 GBP
Retailer 2
-
£14,316 GBP
View
Price last confirmed 32 days ago
B
Retailer 3
-
£14,531 GBP
View
Final sale: no returns
B+
Retailer 4
-
£14,576 GBP
View
B+
Retailer 5
-
£14,800 GBP
View
B+
Retailer 6
-
£15,098 GBP
View
B
Retailer 7
-
£15,805 GBP
View
B
Retailer 8
-
£16,599 GBP
View
B
Retailer 9
-
£16,859 GBP
View
B
Retailer 10
-
£20,181 GBP
View
Most Expensive
B
MOH London
495315B67 · Nov 4
£21,396 GBP
View
10 more retailers have this diamond
Prices start from £13,939 GBPSave up to £7,457 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+
1.56ct Heart
£13,939 GBP