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Heart|Natural|GIA

1.53ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6531604900

Certificate GIA 6531604900

Diamond specifications and retailer prices

From €3,635 EUR
As of November 6, 2026
Save €4,462 EUR (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €8,097 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.53ct natural heart diamond

This 1.53ct 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 6531604900. Listed at 19 retailers as of November 5, 2026, with prices from €3,635 to €8,097, a €4,462 spread on the same certified stone. NZ Jewellers lists it at €8,097. 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

1.53
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531604900
Dimensions7.01 × 7.80 × 4.66 mm
L/W Ratio1.11
Top View
7.01 mm7.80 mm1.53 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531604900
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.7%

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: €8,097 EUR|Low: €3,635 EUR|High: €8,097 EUR|Avg: €5,116 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
November 6, 2026
Retailer 2€3,635 EUR
Retailer 9€3,854 EUR
Retailer 6€4,222 EUR
Retailer 17€4,400 EUR
Retailer 4€4,537 EUR
Retailer 10€4,537 EUR
Retailer 11€4,649 EUR
Retailer 14€4,836 EUR
Retailer 5€4,841 EUR
Retailer 16€4,841 EUR
Retailer 7€4,971 EUR
Retailer 8€4,978 EUR
Retailer 15€5,068 EUR
Retailer 3€5,585 EUR
Retailer 12€5,906 EUR
Retailer 13€7,689 EUR
NZ Jewellers€8,097 EUR

28 data points across 17 retailers

19 retailers€3,635 EUR to €8,097 EUR

A
Cheapest Retailer
-
€3,635 EUR
A
Retailer 2
-
€3,854 EUR
View
Final sale: no returns
A
Retailer 3
-
€3,981 EUR
View
B+
Retailer 4
-
€4,222 EUR
View
B+
Retailer 5
-
€4,400 EUR
View
B+
Retailer 6
-
€4,537 EUR
View
B+
Retailer 7
-
€4,537 EUR
View
B+
Retailer 8
-
€4,649 EUR
View
B+
Retailer 9
-
€4,836 EUR
View
B+
Retailer 10
-
€4,841 EUR
View
B+
Retailer 11
-
€4,841 EUR
View
Retailer 12
-
€4,841 EUR
View
Price last confirmed 9 days ago
B+
Retailer 13
-
€4,971 EUR
View
B+
Retailer 14
-
€4,978 EUR
View
B+
Retailer 15
-
€5,068 EUR
View
B+
Retailer 16
-
€5,585 EUR
View
B+
Retailer 17
-
€5,906 EUR
View
B
Retailer 18
-
€7,689 EUR
View
Most Expensive
B
NZ Jewellers
9c649c18-a3d4-4981-b2a8-6edf7e1e03cf · Nov 5
€8,097 EUR
$9,040 USD
View
18 more retailers have this diamond
Prices start from €3,635 EURSave up to €4,462 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
1.53ct Heart
€3,635 EUR