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Heart|Natural|GIA

1.56ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6555874111

Certificate GIA 6555874111

Diamond specifications and retailer prices

From £2,855 GBP
₹364,367 INR
As of November 1, 2026
Save £3,620 GBP (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £6,475 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.56ct natural heart diamond

This 1.56ct natural heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555874111. Listed at 9 retailers as of October 30, 2026, with prices from £2,855 to £6,475, a £3,620 spread on the same certified stone. NZ Jewellers lists it at £6,475. 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

1.56
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555874111
Dimensions6.89 × 8.02 × 4.70 mm
L/W Ratio1.16
Girdle conditionThick
Top View
6.89 mm8.02 mm1.56 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555874111
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.6%

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: £6,475 GBP|Low: £2,849 GBP|High: £6,475 GBP|Avg: £4,276 GBP|+0.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4£2,855 GBP
Retailer 8£2,998 GBP
Retailer 6£3,241 GBP
Retailer 3£3,696 GBP
Retailer 7£3,830 GBP
Retailer 2£4,205 GBP
Retailer 5£5,919 GBP
NZ Jewellers£6,475 GBP

39 data points across 8 retailers

9 retailers£2,855 GBP to £6,475 GBP

A
Cheapest Retailer
-
£2,855 GBP
₹364,367 INR
A
Retailer 2
-
£2,998 GBP
$4,017 USD
View
Final sale: no returns
A
Retailer 3
-
£3,112 GBP
A$6,415 AUD
View
A
Retailer 4
-
£3,241 GBP
$4,343 USD
View
A
Retailer 5
-
£3,696 GBP
View
A
Retailer 6
-
£3,830 GBP
$5,131 USD
View
B+
Retailer 7
-
£4,205 GBP
€5,366 EUR
View
B+
Retailer 8
-
£5,919 GBP
View
Most Expensive
B
NZ Jewellers
fdcf01c8-2186-44d5-b5ab-a6661a64d06e · Oct 30
£6,475 GBP
$8,676 USD
View
8 more retailers have this diamond
Prices start from £2,855 GBPSave up to £3,620 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
1.56ct Heart
£2,855 GBP