Heart|Natural|HRD

1.78ct D SI1 Heart Natural Diamond

EX • D/SI1 • HRD 220000147811

Shape and cutting style on the report: Heart

Certificate HRD 220000147811

Diamond specifications and retailer prices

From €6,584 EUR
$7,356 USD
As of October 30, 2026
Save €6,157 EUR (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €12,742 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.78ct natural heart diamond

This 1.78ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 220000147811. Listed at 9 retailers as of October 30, 2026, with prices from €6,584 to €12,742, a €6,157 spread on the same certified stone. NZ Jewellers lists it at €12,742. 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

1.78
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 220000147811
Dimensions7.86 × 8.48 × 4.59 mm
L/W Ratio1.08
Girdle conditionFaceted
Top View
7.86 mm8.48 mm1.78 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateHRD 220000147811
Side View
Table 56.0%CrownGirdle: MediumPavilionCulet: NoneDepth 54.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €12,742 EUR|Low: €6,584 EUR|High: €12,742 EUR|Avg: €8,069 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9€6,584 EUR
Retailer 4€6,998 EUR
Retailer 7€7,032 EUR
Retailer 6€7,618 EUR
Retailer 5€7,735 EUR
Retailer 8€7,782 EUR
Retailer 2€7,857 EUR
Retailer 3€8,790 EUR
NZ Jewellers€12,742 EUR

37 data points across 9 retailers

9 retailers€6,584 EUR to €12,742 EUR

B+
Cheapest Retailer
-
€6,584 EUR
$7,356 USD
B+
Retailer 2
-
€6,998 EUR
£6,156 GBP
View
Retailer 3
-
€7,618 EUR
$8,511 USD
View
Price last confirmed 12 days ago
Retailer 4
-
€7,735 EUR
$8,642 USD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
€7,782 EUR
$8,694 USD
View
B+
Retailer 6
-
€7,857 EUR
View
B
Retailer 7
-
€8,066 EUR
View
B+
Retailer 8
-
€8,790 EUR
$9,820 USD
View
Most Expensive
B
NZ Jewellers
12f6090b-8780-4678-97a8-692ff8a0a5b5 · Oct 30
€12,742 EUR
$14,235 USD
View
8 more retailers have this diamond
Prices start from €6,584 EURSave up to €6,157 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.

B+
1.78ct Heart
€6,584 EUR