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3.73ct K SI2 Round Natural Diamond

EX • K/SI2 • HRD 250000210709

Certificate HRD 250000210709

Diamond specifications and retailer prices

From $26,080 AUD
As of November 5, 2026
Save $11,060 AUD (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $37,140 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 3.73ct natural round diamond

This 3.73ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 250000210709. Listed at 7 retailers as of November 4, 2026, with prices from $26,080 to $37,140, a $11,060 spread on the same certified stone. MOH London lists it at $37,140. 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

3.73
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginNatural
Grading LabHRD
CertificateHRD 250000210709
Dimensions9.88 × 9.80 × 6.13 mm
L/W Ratio1.01
Star length55%
Culet sizePointed
Top View
9.88 mm9.80 mm3.73 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 250000210709
Side View
Table 59.0%Crown 36.1°GirdlePavilion 40.9°Culet: NoneDepth 62.2%

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: $37,140 AUD|Low: $24,197 AUD|High: $37,688 AUD|Avg: $29,639 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8$24,197 AUD
Retailer 2$26,080 AUD
Retailer 7$26,320 AUD
Retailer 5$27,636 AUD
Retailer 4$28,513 AUD
Retailer 6$29,610 AUD
Retailer 9$32,474 AUD
Retailer 3$33,780 AUD
MOH London$37,140 AUD

20 data points across 9 retailers

7 retailers$26,080 AUD to $37,140 AUD

A
Cheapest Retailer
-
$26,080 AUD
Retailer 2
-
$26,320 AUD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$27,636 AUD
View
B+
Retailer 4
-
$28,513 AUD
View
B+
Retailer 5
-
$29,610 AUD
View
B+
Retailer 6
-
$33,780 AUD
View
Most Expensive
B+
MOH London
A86978A45 · Nov 4
$37,140 AUD
£20,472 GBP
View
6 more retailers have this diamond
Prices start from $26,080 AUDSave up to $11,060 AUD

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
3.73ct Round
$26,080 AUD