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Heart|Natural|GIA

1.51ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5536874543

Certificate GIA 5536874543

Diamond specifications and retailer prices

From €2,749 EUR
₹293,621 INR
As of November 2, 2026
Save €3,560 EUR (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €6,309 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct 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 5536874543. Listed at 19 retailers as of October 30, 2026, with prices from €2,749 to €6,309, a €3,560 spread on the same certified stone. NZ Jewellers lists it at €6,309. 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

1.51
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5536874543
Dimensions7.80 × 6.95 × 4.69 mm
L/W Ratio1.12
Top View
7.80 mm6.95 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536874543
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 60.0%

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 2
Current: €6,309 EUR|Low: €2,743 EUR|High: €6,309 EUR|Avg: €3,862 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 13€2,749 EUR
Retailer 8€2,877 EUR
Retailer 17€3,137 EUR
Retailer 10€3,186 EUR
Retailer 3€3,378 EUR
Retailer 14€3,412 EUR
Retailer 5€3,450 EUR
Retailer 6€3,621 EUR
Retailer 9€3,621 EUR
Retailer 19€3,621 EUR
Retailer 15€3,704 EUR
Retailer 7€3,752 EUR
Retailer 12€3,832 EUR
Retailer 18€3,840 EUR
Retailer 20€3,994 EUR
Retailer 11€4,005 EUR
Retailer 4€4,178 EUR
Retailer 16€4,451 EUR
Retailer 2€6,056 EUR
NZ Jewellers€6,309 EUR

24 data points across 20 retailers

19 retailers€2,749 EUR to €6,309 EUR

A
Cheapest Retailer
-
€2,749 EUR
₹293,621 INR
A
Retailer 2
-
€2,877 EUR
$3,227 USD
View
Final sale: no returns
A
Retailer 3
-
€3,092 EUR
$3,468 USD
View
A
Retailer 4
-
€3,137 EUR
$3,518 USD
View
A
Retailer 5
-
€3,186 EUR
$3,573 USD
View
A
Retailer 6
-
€3,378 EUR
$3,789 USD
View
A
Retailer 7
-
€3,412 EUR
£3,013 GBP
View
A
Retailer 8
-
€3,450 EUR
$3,870 USD
View
A
Retailer 9
-
€3,621 EUR
$4,061 USD
View
A
Retailer 10
-
€3,621 EUR
$4,061 USD
View
A
Retailer 11
-
€3,621 EUR
$4,061 USD
View
A
Retailer 12
-
€3,704 EUR
£3,271 GBP
View
A
Retailer 13
-
€3,752 EUR
$4,209 USD
View
B+
Retailer 14
-
€3,840 EUR
$4,307 USD
View
B+
Retailer 15
-
€3,994 EUR
$4,480 USD
View
B+
Retailer 16
-
€4,178 EUR
$4,686 USD
View
B+
Retailer 17
-
€4,451 EUR
ZAR 80,648 ZAR
View
B
Retailer 18
-
€6,056 EUR
£5,348 GBP
View
Most Expensive
B
NZ Jewellers
9d7b34f9-47f0-45e8-b228-c6f318744f89 · Oct 30
€6,309 EUR
$7,076 USD
View
18 more retailers have this diamond
Prices start from €2,749 EURSave up to €3,560 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
1.51ct Heart
€2,749 EUR