Heart|Natural|GIA

1.73ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 2448855859

Certificate GIA 2448855859

Diamond specifications and retailer prices

From $5,639 USD
CA$7,832 CAD
As of October 30, 2026
Save $5,435 USD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,074 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.73ct natural heart diamond

This 1.73ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2448855859. Listed at 12 retailers as of October 30, 2026, with prices from $5,639 to $11,074, a $5,435 spread on the same certified stone. NZ Jewellers lists it at $11,074. 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

1.73
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2448855859
Dimensions7.26 × 8.39 × 4.94 mm
L/W Ratio1.16
Top View
7.26 mm8.39 mm1.73 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2448855859
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.9%

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: Oct 30
Current: $11,074 USD|Low: $5,946 USD|High: $11,074 USD|Avg: $7,166 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10$5,946 USD
Retailer 9$6,166 USD
Retailer 6$6,313 USD
Retailer 11$6,387 USD
Retailer 2$6,412 USD
Retailer 8$6,543 USD
Retailer 7$6,750 USD
Retailer 12$6,750 USD
Retailer 3$6,970 USD
Retailer 4$7,282 USD
Retailer 5$9,807 USD
NZ Jewellers$11,074 USD

40 data points across 12 retailers

12 retailers$5,639 USD to $11,074 USD

A
Cheapest Retailer
-
$5,639 USD
CA$7,832 CAD
A
Retailer 2
-
$5,946 USD
View
A
Retailer 3
-
$6,166 USD
View
A
Retailer 4
-
$6,313 USD
View
A
Retailer 5
-
$6,387 USD
View
A
Retailer 6
-
$6,412 USD
£5,049 GBP
View
A
Retailer 7
-
$6,543 USD
CA$9,087 CAD
View
A
Retailer 8
-
$6,750 USD
View
A
Retailer 9
-
$6,750 USD
View
B+
Retailer 10
-
$6,970 USD
View
B+
Retailer 11
-
$9,807 USD
£7,722 GBP
View
Most Expensive
B
NZ Jewellers
c53fb223-03de-49a4-badc-b00a7be0fb63 · Oct 30
$11,074 USD
View
11 more retailers have this diamond
Prices start from $5,639 USDSave up to $5,435 USD

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
1.73ct Heart
$5,639 USD