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0.73ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 375918372

Shape and cutting style on the report: Round brilliant

Certificate IGI 375918372

Diamond specifications and retailer prices

From $559 USD
As of November 5, 2026
Save $1,193 USD (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,752 USD at NZ Jewellers · As of November 5, 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 IGI 375918372. Listed at 11 retailers as of November 5, 2026, with prices from $559 to $1,752, a $1,193 spread on the same certified stone. NZ Jewellers lists it at $1,752. 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 angle34.6°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 375918372
Dimensions5.78 × 5.80 × 3.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.78 mm5.80 mm0.73 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 375918372
Side View
Table 58.5%Crown 34.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

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 5
Current: $1,752 USD|Low: $559 USD|High: $1,752 USD|Avg: $843 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
Retailer 13
November 6, 2026
Retailer 10$559 USD
Retailer 13$602 USD
Retailer 4$621 USD
Retailer 9$635 USD
Retailer 3$645 USD
Retailer 2$690 USD
Retailer 5$690 USD
Retailer 12$713 USD
Retailer 7$827 USD
Retailer 6$834 USD
Retailer 11$1,207 USD
Retailer 8$1,290 USD
NZ Jewellers$1,752 USD

39 data points across 13 retailers

11 retailers$559 USD to $1,752 USD

A
Cheapest Retailer
-
$559 USD
A
Retailer 2
-
$602 USD
View
A
Retailer 3
-
$635 USD
View
A
Retailer 4
-
$645 USD
View
B+
Retailer 5
-
$690 USD
View
B+
Retailer 6
-
$690 USD
View
B+
Retailer 7
-
$827 USD
View
B+
Retailer 8
-
$834 USD
View
B
Retailer 9
-
$1,207 USD
View
B
Retailer 10
-
$1,290 USD
View
Most Expensive
C
NZ Jewellers
4cda1e88-0392-4f9c-8a20-ddf4e8106789 · Nov 5
$1,752 USD
View
10 more retailers have this diamond
Prices start from $559 USDSave up to $1,193 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
$559 USD