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Round|Natural|GIA

5.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6237924909

Certificate GIA 6237924909

Diamond specifications and retailer prices

From $52,370 AUD
HK$287,400 HKD
As of October 29, 2026
Save $43,573 AUD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $95,944 AUD 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 $52,370 to $95,944, a $43,573 spread on the same certified stone. MOH London lists it at $95,944. 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
Colour
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: $95,944 AUD|Low: $52,370 AUD|High: $101,782 AUD|Avg: $70,677 AUD|-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$52,370 AUD
Retailer 9$55,326 AUD
Retailer 3$61,119 AUD
Retailer 5$61,127 AUD
Retailer 8$61,827 AUD
Retailer 2$64,683 AUD
Retailer 4$74,146 AUD
Retailer 6$75,122 AUD
MOH London$95,944 AUD

42 data points across 9 retailers

14 retailers$52,370 AUD to $95,944 AUD

A
Cheapest Retailer
-
$52,370 AUD
HK$287,400 HKD
Retailer 2
-
$55,326 AUD
₹3,701,267 INR
View
Price last confirmed 9 days ago
Retailer 3
-
$59,299 AUD
SGD 56,290 SGD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$61,119 AUD
£33,805 GBP
View
A
Retailer 5
-
$61,127 AUD
$42,938 USD
View
A
Retailer 6
-
$61,827 AUD
$43,430 USD
View
Final sale: no returns
A
Retailer 7
-
$64,683 AUD
£35,777 GBP
View
Retailer 8
-
$65,365 AUD
$45,915 USD
View
Price last confirmed 42 days ago
A
Retailer 9
-
$74,146 AUD
€49,603 EUR
View
Retailer 10
-
$75,037 AUD
$52,709 USD
View
Price last confirmed 39 days ago
A
Retailer 11
-
$75,122 AUD
$52,769 USD
View
Retailer 12
-
$76,999 AUD
View
Price last confirmed 173 days ago
Retailer 13
-
$77,922 AUD
$54,736 USD
View
Price last confirmed 39 days ago
Most Expensive
B+
MOH London
54D20B092 · Oct 29
$95,944 AUD
£53,067 GBP
View
13 more retailers have this diamond
Prices start from $52,370 AUDSave up to $43,573 AUD

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
$52,370 AUD