CaratHunter
Plans
Round|Natural|GIA

5.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6237924909

Certificate GIA 6237924909

Diamond specifications and retailer prices

From $51,388 CAD
HK$287,400 HKD
As of October 29, 2026
Save $42,756 CAD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $94,144 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 5.51ct natural round diamond

This 5.51ct natural round sits in the over five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6237924909. Listed at 14 retailers as of October 29, 2026, with prices from $51,388 to $94,144, a $42,756 spread on the same certified stone. MOH London lists it at $94,144. 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

5.51
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6237924909
Dimensions11.15 × 11.24 × 7.04 mm
L/W Ratio1.01
Top View
11.15 mm11.24 mm5.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237924909
Side View
Table 58.0%Crown 35°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 62.9%

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 29
Current: $94,144 CAD|Low: $51,388 CAD|High: $99,873 CAD|Avg: $69,351 CAD|-2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7$51,388 CAD
Retailer 9$54,288 CAD
Retailer 3$59,973 CAD
Retailer 5$59,980 CAD
Retailer 8$60,667 CAD
Retailer 2$63,470 CAD
Retailer 4$72,755 CAD
Retailer 6$73,713 CAD
MOH London$94,144 CAD

42 data points across 9 retailers

14 retailers$51,388 CAD to $94,144 CAD

A
Cheapest Retailer
-
$51,388 CAD
HK$287,400 HKD
Retailer 2
-
$54,288 CAD
₹3,701,267 INR
View
Price last confirmed 8 days ago
Retailer 3
-
$58,187 CAD
SGD 56,290 SGD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$59,973 CAD
£33,805 GBP
View
A
Retailer 5
-
$59,980 CAD
$42,938 USD
View
A
Retailer 6
-
$60,667 CAD
$43,430 USD
View
Final sale: no returns
A
Retailer 7
-
$63,470 CAD
£35,777 GBP
View
Retailer 8
-
$64,139 CAD
$45,915 USD
View
Price last confirmed 40 days ago
A
Retailer 9
-
$72,755 CAD
€49,603 EUR
View
Retailer 10
-
$73,629 CAD
$52,709 USD
View
Price last confirmed 38 days ago
A
Retailer 11
-
$73,713 CAD
$52,769 USD
View
Retailer 12
-
$75,555 CAD
A$83,212 AUD
View
Price last confirmed 172 days ago
Retailer 13
-
$76,461 CAD
$54,736 USD
View
Price last confirmed 38 days ago
Most Expensive
B+
MOH London
54D20B092 · Oct 29
$94,144 CAD
£53,067 GBP
View
13 more retailers have this diamond
Prices start from $51,388 CADSave up to $42,756 CAD

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
5.51ct Round
$51,388 CAD