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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 $9,404 SGD
$7,356 USD
As of October 30, 2026
Save $8,794 SGD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $18,198 SGD 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 $9,404 to $18,198, a $8,794 spread on the same certified stone. NZ Jewellers lists it at $18,198. 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
Colour
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: $18,198 SGD|Low: $9,404 SGD|High: $18,198 SGD|Avg: $11,544 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9$9,404 SGD
Retailer 7$10,043 SGD
Retailer 3$10,344 SGD
Retailer 2$10,880 SGD
Retailer 6$11,048 SGD
Retailer 8$11,115 SGD
Retailer 4$11,222 SGD
Retailer 5$12,554 SGD
NZ Jewellers$18,198 SGD

37 data points across 9 retailers

9 retailers$9,404 SGD to $18,198 SGD

B+
Cheapest Retailer
-
$9,404 SGD
$7,356 USD
B+
Retailer 2
-
$10,344 SGD
£6,371 GBP
View
B+
Retailer 3
-
$10,880 SGD
$8,511 USD
View
Retailer 4
-
$11,048 SGD
$8,642 USD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$11,115 SGD
$8,694 USD
View
B+
Retailer 6
-
$11,222 SGD
€8,360 EUR
View
B
Retailer 7
-
$11,520 SGD
€8,582 EUR
View
B+
Retailer 8
-
$12,554 SGD
$9,820 USD
View
Most Expensive
B
NZ Jewellers
12f6090b-8780-4678-97a8-692ff8a0a5b5 · Oct 30
$18,198 SGD
$14,235 USD
View
8 more retailers have this diamond
Prices start from $9,404 SGDSave up to $8,794 SGD

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
$9,404 SGD