Round|Natural|IGI

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 $26,215 USD
As of November 1, 2026
Save $22,347 USD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $48,562 USD 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 $26,215 to $48,562, a $22,347 spread on the same certified stone. MOH London lists it at $48,562. 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
Color
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: $48,562 USD|Low: $25,056 USD|High: $55,675 USD|Avg: $34,421 USD|-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 1, 2026
Retailer 5$25,056 USD
Retailer 2$26,215 USD
Retailer 13$28,309 USD
Retailer 10$28,502 USD
Retailer 9$30,215 USD
Retailer 11$31,094 USD
Retailer 6$31,555 USD
Retailer 3$33,245 USD
Retailer 12$35,298 USD
Retailer 8$35,736 USD
Retailer 7$40,309 USD
MOH London$48,562 USD
Retailer 4$55,675 USD

35 data points across 13 retailers

14 retailers$26,215 USD to $48,562 USD

A
Cheapest Retailer
-
$26,215 USD
A
Retailer 2
-
$28,309 USD
View
A
Retailer 3
-
$28,502 USD
View
Final sale: no returns
A
Retailer 4
-
$30,215 USD
View
A
Retailer 5
-
$31,555 USD
£24,846 GBP
View
Retailer 6
-
$32,390 USD
View
Price last confirmed 34 days ago
Retailer 7
-
$32,649 USD
View
Price last confirmed 32 days ago
B+
Retailer 8
-
$33,245 USD
View
Retailer 9
-
$33,685 USD
View
Price last confirmed 31 days ago
Retailer 10
-
$34,981 USD
View
Price last confirmed 32 days ago
B+
Retailer 11
-
$35,298 USD
View
B+
Retailer 12
-
$35,736 USD
€34,034 EUR
View
B+
Retailer 13
-
$40,309 USD
ZAR 651,199 ZAR
View
Most Expensive
B
MOH London
F1C4BADAE · Nov 1
$48,562 USD
£38,238 GBP
View
13 more retailers have this diamond
Prices start from $26,215 USDSave up to $22,347 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
3.73ct Round
$26,215 USD