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Heart|Natural|GIA

1.51ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 7558902646

Certificate GIA 7558902646

Diamond specifications and retailer prices

From €3,638 EUR
$4,080 USD
As of November 1, 2026
Save €4,782 EUR (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €8,419 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 7558902646. Listed at 17 retailers as of October 30, 2026, with prices from €3,638 to €8,419, a €4,782 spread on the same certified stone. NZ Jewellers lists it at €8,419. 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
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558902646
Dimensions8.10 × 6.90 × 4.73 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
8.10 mm6.90 mm1.51 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558902646
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.4%

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: €8,419 EUR|Low: €3,638 EUR|High: €8,419 EUR|Avg: €5,221 EUR|+1.0%
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
November 2, 2026
Retailer 7€3,638 EUR
Retailer 8€3,822 EUR
Retailer 9€4,494 EUR
Retailer 15€4,560 EUR
Retailer 16€4,560 EUR
Retailer 17€4,560 EUR
Retailer 11€4,563 EUR
Retailer 2€4,743 EUR
Retailer 18€4,792 EUR
Retailer 4€5,109 EUR
Retailer 5€5,109 EUR
Retailer 10€5,166 EUR
Retailer 14€5,262 EUR
Retailer 6€5,278 EUR
Retailer 19€5,554 EUR
Retailer 12€5,695 EUR
Retailer 13€6,187 EUR
Retailer 3€8,060 EUR
NZ Jewellers€8,419 EUR

29 data points across 19 retailers

17 retailers€3,638 EUR to €8,419 EUR

A
Cheapest Retailer
-
€3,638 EUR
$4,080 USD
A
Retailer 2
-
€3,822 EUR
$4,287 USD
View
B+
Retailer 3
-
€4,494 EUR
$5,040 USD
View
B+
Retailer 4
-
€4,560 EUR
$5,115 USD
View
B+
Retailer 5
-
€4,560 EUR
$5,115 USD
View
B+
Retailer 6
-
€4,743 EUR
£4,189 GBP
View
B+
Retailer 7
-
€4,792 EUR
$5,375 USD
View
B+
Retailer 8
-
€4,998 EUR
$5,606 USD
View
B+
Retailer 9
-
€5,109 EUR
$5,730 USD
View
B+
Retailer 10
-
€5,109 EUR
$5,730 USD
View
B+
Retailer 11
-
€5,166 EUR
$5,794 USD
View
B
Retailer 12
-
€5,262 EUR
$5,902 USD
View
B
Retailer 13
-
€5,278 EUR
$5,920 USD
View
B+
Retailer 14
-
€5,695 EUR
View
B
Retailer 15
-
€6,187 EUR
ZAR 112,114 ZAR
View
B
Retailer 16
-
€8,060 EUR
£7,118 GBP
View
Most Expensive
B
NZ Jewellers
e47d9d5f-ffb1-457d-896a-4ff81f37f967 · Oct 30
€8,419 EUR
$9,443 USD
View
16 more retailers have this diamond
Prices start from €3,638 EURSave up to €4,782 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
€3,638 EUR