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Round|Natural|GIA

5.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6555651930

Certificate GIA 6555651930

Diamond specifications and retailer prices

From $80,610 AUD
$56,624 USD
As of October 30, 2026
Save $61,553 AUD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $142,163 AUD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555651930. Listed at 12 retailers as of October 29, 2026, with prices from $80,610 to $142,163, a $61,553 spread on the same certified stone. MOH London lists it at $142,163. 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

5.50
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555651930
Dimensions11.62 × 11.58 × 6.79 mm
L/W Ratio1.00
Key to symbols
Feather, Crystal, Needle
Top View
11.62 mm11.58 mm5.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555651930
Side View
Table 60.0%Crown 32°GirdlePavilion 41°Culet: NoneDepth 58.5%

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: Oct 30
Current: $142,163 AUD|Low: $80,610 AUD|High: $142,163 AUD|Avg: $97,599 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 5$80,610 AUD
Retailer 12$82,052 AUD
Retailer 8$90,004 AUD
Retailer 9$90,542 AUD
Retailer 3$94,315 AUD
Retailer 10$94,315 AUD
Retailer 7$95,842 AUD
Retailer 6$96,861 AUD
Retailer 11$98,087 AUD
Retailer 4$101,860 AUD
Retailer 2$109,860 AUD
MOH London$142,163 AUD

4 data points across 12 retailers

12 retailers$80,610 AUD to $142,163 AUD

A
Cheapest Retailer
-
$80,610 AUD
$56,624 USD
A
Retailer 2
-
$82,052 AUD
$57,637 USD
View
B+
Retailer 3
-
$90,004 AUD
£49,782 GBP
View
B+
Retailer 4
-
$90,542 AUD
$63,601 USD
View
B+
Retailer 5
-
$94,315 AUD
$66,251 USD
View
B+
Retailer 6
-
$94,315 AUD
$66,251 USD
View
B+
Retailer 7
-
$95,842 AUD
£53,011 GBP
View
B+
Retailer 8
-
$96,861 AUD
$68,039 USD
View
B+
Retailer 9
-
$98,087 AUD
$68,901 USD
View
B+
Retailer 10
-
$101,860 AUD
$71,551 USD
View
B
Retailer 11
-
$109,860 AUD
€73,496 EUR
View
Most Expensive
B
MOH London
E482B605D · Oct 29
$142,163 AUD
£78,631 GBP
View
11 more retailers have this diamond
Prices start from $80,610 AUDSave up to $61,553 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
5.50ct Round
$80,610 AUD