CaratHunter
Plans
Round|Natural|IGI

5.50ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 606341961

Shape and cutting style on the report: Round brilliant

Certificate IGI 606341961

Diamond specifications and retailer prices

From $42,289 USD
£33,298 GBP
As of October 30, 2026
Save $24,452 USD (37%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $66,741 USD at MOH London · As of October 29, 2026
View at MOH London

About this 5.5ct natural round diamond

This 5.5ct natural round sits in the over five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 606341961. Listed at 8 retailers as of October 29, 2026, with prices from $42,289 to $66,741, a $24,452 spread on the same certified stone. MOH London lists it at $66,741. 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

5.50
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 606341961
Dimensions11.36 × 11.43 × 6.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
11.36 mm11.43 mm5.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 606341961
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

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: Oct 30
Current: $66,741 USD|Low: $41,930 USD|High: $67,186 USD|Avg: $49,704 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4$42,289 USD
Retailer 8$42,443 USD
Retailer 3$44,278 USD
Retailer 7$45,460 USD
Retailer 5$48,875 USD
Retailer 6$50,830 USD
Retailer 2$52,785 USD
MOH London$66,741 USD

26 data points across 8 retailers

8 retailers$42,289 USD to $66,741 USD

A
Cheapest Retailer
-
$42,289 USD
£33,298 GBP
A
Retailer 2
-
$42,443 USD
View
A
Retailer 3
-
$44,278 USD
View
A
Retailer 4
-
$45,460 USD
View
A
Retailer 5
-
$48,875 USD
View
A
Retailer 6
-
$50,830 USD
View
B+
Retailer 7
-
$52,785 USD
View
Most Expensive
B+
MOH London
CD7A54E55 · Oct 29
$66,741 USD
£52,552 GBP
View
7 more retailers have this diamond
Prices start from $42,289 USDSave up to $24,452 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
5.50ct Round
$42,289 USD