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3.73ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 773617172

Shape and cutting style on the report: Round brilliant

Certificate IGI 773617172

Diamond specifications and retailer prices

From $46,513 NZD
$26,215 USD
As of November 1, 2026
Save $39,651 NZD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $86,164 NZD at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 773617172. Listed at 14 retailers as of November 1, 2026, with prices from $46,513 to $86,164, a $39,651 spread on the same certified stone. MOH London lists it at $86,164. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 773617172
Dimensions9.93 × 10.00 × 6.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.93 mm10.00 mm3.73 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 773617172
Side View
Table 60.0%Crown 32°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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 1
Current: $86,164 NZD|Low: $44,457 NZD|High: $98,784 NZD|Avg: $61,161 NZD|-0.1%
MOH London
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 2, 2026
Retailer 5$44,457 NZD
Retailer 7$46,513 NZD
Retailer 13$50,229 NZD
Retailer 10$50,571 NZD
Retailer 9$53,610 NZD
Retailer 11$55,170 NZD
Retailer 2$55,988 NZD
Retailer 3$58,987 NZD
Retailer 12$62,630 NZD
Retailer 6$63,125 NZD
Retailer 8$71,521 NZD
MOH London$86,164 NZD
Retailer 4$98,784 NZD

35 data points across 13 retailers

14 retailers$46,513 NZD to $86,164 NZD

A
Cheapest Retailer
-
$46,513 NZD
$26,215 USD
A
Retailer 2
-
$50,229 NZD
$28,309 USD
View
A
Retailer 3
-
$50,571 NZD
$28,502 USD
View
Final sale: no returns
A
Retailer 4
-
$53,610 NZD
$30,215 USD
View
A
Retailer 5
-
$55,988 NZD
£24,846 GBP
View
Retailer 6
-
$57,470 NZD
$32,390 USD
View
Price last confirmed 35 days ago
Retailer 7
-
$57,929 NZD
$32,649 USD
View
Price last confirmed 33 days ago
B+
Retailer 8
-
$58,987 NZD
$33,245 USD
View
Retailer 9
-
$59,767 NZD
$33,685 USD
View
Price last confirmed 31 days ago
Retailer 10
-
$62,067 NZD
$34,981 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$62,630 NZD
$35,298 USD
View
B+
Retailer 12
-
$63,125 NZD
€33,883 EUR
View
B+
Retailer 13
-
$71,521 NZD
ZAR 651,199 ZAR
View
Most Expensive
B
MOH London
F1C4BADAE · Nov 1
$86,164 NZD
£38,238 GBP
View
13 more retailers have this diamond
Prices start from $46,513 NZDSave up to $39,651 NZD

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
$46,513 NZD