Round|Natural|GIA

0.73ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1448030256

Certificate GIA 1448030256

Diamond specifications and retailer prices

From $601 USD
As of November 1, 2026
Save $1,038 USD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,226 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.73ct natural round diamond

This 0.73ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1448030256. Listed at 15 retailers as of November 1, 2026, with a 173% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.73
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1448030256
Dimensions5.75 × 5.71 × 3.61 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather
Top View
5.75 mm5.71 mm0.73 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1448030256
Side View
Table 56.0%Crown 36.5°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 63.1%

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 1
Current: $2,226 USD|Low: $601 USD|High: $2,226 USD|Avg: $967 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
November 6, 2026
Retailer 4$601 USD
Retailer 9$685 USD
Retailer 10$710 USD
Retailer 11$737 USD
Retailer 3$744 USD
Retailer 12$819 USD
Retailer 8$844 USD
Retailer 5$953 USD
Retailer 6$975 USD
Retailer 2$1,000 USD
Retailer 7$1,639 USD
NZ Jewellers$2,226 USD

42 data points across 12 retailers

15 retailers$601 USD to $1,639 USD

A
Cheapest Retailer
-
$601 USD
A
Retailer 2
-
$685 USD
View
Retailer 3
-
$710 USD
View
Price last confirmed 45 days ago
Retailer 4
-
$710 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$737 USD
View
Price last confirmed 12 days ago
Retailer 6
-
$744 USD
View
Price last confirmed 11 days ago
Retailer 7
-
$819 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$819 USD
View
Price last confirmed 44 days ago
B+
Retailer 9
-
$844 USD
View
B+
Retailer 10
-
$953 USD
View
B
Retailer 11
-
$975 USD
View
B+
Retailer 12
-
$1,000 USD
View
B
Retailer 13
-
$1,639 USD
View
Retailer 14
-
$2,226 USD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
ac6cb801-0748-4355-9943-b3c1222fa758 · Oct 27
$2,226 USD
View
Price last confirmed 10 days ago
14 more retailers have this diamond
Prices start from $601 USDSave up to $1,038 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
0.73ct Round
$601 USD