Round|Natural|IGI

5.61ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 586337372

Shape and cutting style on the report: Round brilliant

Certificate IGI 586337372

Diamond specifications and retailer prices

From £50,309 GBP
$67,408 USD
As of October 30, 2026
Save £36,855 GBP (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £87,163 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.61ct natural round diamond

This 5.61ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 586337372. Listed at 8 retailers as of October 29, 2026, with prices from £50,309 to £87,163, a £36,855 spread on the same certified stone. MOH London lists it at £87,163. 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

5.61
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 586337372
Dimensions11.61 × 11.57 × 6.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
11.61 mm11.57 mm5.61 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 586337372
Side View
Table 60.0%Crown 33.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.1%

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: Oct 30
Current: £87,163 GBP|Low: £48,079 GBP|High: £87,743 GBP|Avg: £61,484 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3£48,079 GBP
Retailer 9£49,419 GBP
Retailer 4£50,309 GBP
Retailer 8£55,514 GBP
Retailer 6£60,140 GBP
Retailer 7£62,453 GBP
Retailer 10£65,176 GBP
Retailer 2£65,552 GBP
Retailer 5£71,334 GBP
MOH London£87,163 GBP

26 data points across 10 retailers

8 retailers£50,309 GBP to £87,163 GBP

Retailer 1
-
£48,079 GBP
$64,420 USD
Price last confirmed 14 days ago
A
Retailer 2
-
£50,309 GBP
$67,408 USD
View
B+
Retailer 3
-
£55,514 GBP
$74,382 USD
View
B+
Retailer 4
-
£60,140 GBP
$80,581 USD
View
B+
Retailer 5
-
£62,453 GBP
$83,680 USD
View
B+
Retailer 6
-
£65,552 GBP
€83,650 EUR
View
Retailer 7
-
£71,334 GBP
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
7A9823186 · Oct 29
£87,163 GBP
View
7 more retailers have this diamond
Prices start from £50,309 GBPSave up to £36,855 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
5.61ct Round
£50,309 GBP