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Round|Natural|GIA

3.72ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 3555426450

Certificate GIA 3555426450

Diamond specifications and retailer prices

From £26,491 GBP
HK$277,300 HKD
As of November 1, 2026
Save £22,681 GBP (46%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £49,172 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.72ct natural round diamond

This 3.72ct 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 GIA 3555426450. Listed at 16 retailers as of November 1, 2026, with prices from £26,491 to £49,172, a £22,681 spread on the same certified stone. MOH London lists it at £49,172. 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

3.72
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3555426450
Dimensions9.77 × 9.83 × 6.13 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.77 mm9.83 mm3.72 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555426450
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.5%

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: £49,172 GBP|Low: £26,491 GBP|High: £50,916 GBP|Avg: £32,544 GBP|-3.4%
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 2£26,491 GBP
Retailer 10£28,729 GBP
Retailer 6£28,741 GBP
Retailer 13£28,861 GBP
Retailer 3£28,897 GBP
Retailer 8£29,176 GBP
Retailer 4£29,422 GBP
Retailer 12£29,752 GBP
Retailer 9£29,851 GBP
Retailer 7£30,742 GBP
Retailer 5£30,876 GBP
Retailer 14£31,824 GBP
Retailer 15£37,657 GBP
Retailer 11£40,816 GBP
MOH London£49,172 GBP

27 data points across 15 retailers

16 retailers£26,491 GBP to £49,172 GBP

A
Cheapest Retailer
-
£26,491 GBP
HK$277,300 HKD
B+
Retailer 2
-
£28,729 GBP
€36,660 EUR
View
B+
Retailer 3
-
£28,741 GBP
$38,510 USD
View
B+
Retailer 4
-
£28,861 GBP
$38,671 USD
View
Final sale: no returns
B+
Retailer 5
-
£28,897 GBP
$38,719 USD
View
B+
Retailer 6
-
£29,176 GBP
₹3,723,148 INR
View
B+
Retailer 7
-
£29,422 GBP
$39,422 USD
View
B+
Retailer 8
-
£29,752 GBP
View
B+
Retailer 9
-
£29,851 GBP
$39,997 USD
View
Retailer 10
-
£30,742 GBP
A$63,370 AUD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
£30,876 GBP
$41,370 USD
View
B+
Retailer 12
-
£31,824 GBP
$42,640 USD
View
Retailer 13
-
£33,556 GBP
$44,961 USD
View
Price last confirmed 36 days ago
Retailer 14
-
£37,657 GBP
$50,456 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
£40,816 GBP
ZAR 883,510 ZAR
View
Most Expensive
B
MOH London
D2F0BC59D · Nov 1
£49,172 GBP
View
15 more retailers have this diamond
Prices start from £26,491 GBPSave up to £22,681 GBP

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
3.72ct Round
£26,491 GBP