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Heart|Natural|GIA

1.56ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2544738463

Certificate GIA 2544738463

Diamond specifications and retailer prices

From €3,022 EUR
As of November 6, 2026
Save €558 EUR (16%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €3,580 EUR at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.56ct natural heart diamond

This 1.56ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544738463. Listed at 7 retailers as of November 5, 2026, with prices from €3,022 to €3,580, a €558 spread on the same certified stone. Blue Nile lists it at €3,580. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2544738463
Dimensions7.26 × 8.06 × 4.71 mm
L/W Ratio1.11
Top View
7.26 mm8.06 mm1.56 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2544738463
Side View
Table 54.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.4%

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 6
Current: €3,580 EUR|Low: €2,761 EUR|High: €4,309 EUR|Avg: €3,365 EUR|-16.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5€3,022 EUR
Retailer 4€3,076 EUR
Retailer 7€3,127 EUR
Retailer 2€3,146 EUR
Retailer 6€3,226 EUR
Retailer 3€3,227 EUR
Blue Nile€3,580 EUR

42 data points across 7 retailers

7 retailers€3,022 EUR to €3,580 EUR

A
Cheapest Retailer
-
€3,022 EUR
A
Retailer 2
-
€3,076 EUR
View
Final sale: no returns
A
Retailer 3
-
€3,127 EUR
View
A
Retailer 4
-
€3,146 EUR
View
A
Retailer 5
-
€3,226 EUR
View
A
Retailer 6
-
€3,227 EUR
View
Most Expensive
A
Blue Nile
28420041 · Nov 5
€3,580 EUR
$3,997 USD
View
6 more retailers have this diamond
Prices start from €3,022 EURSave up to €558 EUR

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
€3,022 EUR