Round|Natural|IGI

0.73ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 720529326

Shape and cutting style on the report: Round brilliant

Certificate IGI 720529326

Diamond specifications and retailer prices

From $355 USD
As of November 6, 2026
Save $747 USD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,829 USD at NZ Jewellers · As of September 28, 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 720529326. Listed at 16 retailers as of November 2, 2026, with a 210% 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 angle34.7°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 720529326
Dimensions5.78 × 5.80 × 3.53 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 720529326
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.9%

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: Nov 6
Current: $355 USD|Low: $355 USD|High: $1,107 USD|Avg: $644 USD|-5.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$355 USD
Retailer 2$598 USD
Retailer 4$603 USD
Retailer 5$609 USD
Retailer 7$680 USD
Retailer 3$712 USD
Retailer 6$716 USD
Retailer 8$1,102 USD

28 data points across 8 retailers

16 retailers$355 USD to $1,102 USD

A
Cheapest Retailer
-
$355 USD
Retailer 2
-
$457 USD
View
Price last confirmed 95 days ago
Retailer 3
-
$477 USD
View
Price last confirmed 28 days ago
Retailer 4
-
$514 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$514 USD
View
Price last confirmed 38 days ago
Retailer 6
-
$550 USD
View
Price last confirmed 28 days ago
A
Retailer 7
-
$598 USD
View
B+
Retailer 8
-
$603 USD
View
B+
Retailer 9
-
$608 USD
View
A
Retailer 10
-
$609 USD
View
B+
Retailer 11
-
$635 USD
View
B+
Retailer 12
-
$680 USD
View
A
Retailer 13
-
$712 USD
View
A
Retailer 14
-
$716 USD
View
B+
Retailer 15
-
$1,102 USD
View
Most Expensive
NZ Jewellers
554644e3-9f58-43d1-8906-a2b239d18d17 · Sep 28
$1,829 USD
View
Price last confirmed 39 days ago
15 more retailers have this diamond
Prices start from $355 USDSave up to $747 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
$355 USD