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Round|Natural|GIA

5.50ct E IF Round Natural Diamond

EX • E/IF • GIA 2145271156

Certificate GIA 2145271156

Diamond specifications and retailer prices

From $508,177 AUD
$356,966 USD
As of October 31, 2026
Save $373,662 AUD (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $881,838 AUD at MOH London · As of November 1, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2145271156. Listed at 14 retailers as of October 31, 2026, with prices from $508,177 to $881,838, a $373,662 spread on the same certified stone. MOH London lists it at $881,838. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

5.50
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2145271156
Dimensions11.37 × 11.30 × 7.03 mm
L/W Ratio1.01
Star length50%
Lower girdle85%
Top View
11.37 mm11.30 mm5.50 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2145271156
Side View
Table 58.0%Crown 35°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 62.0%

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 31
Current: $881,838 AUD|Low: $488,999 AUD|High: $892,462 AUD|Avg: $600,190 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 9$488,999 AUD
Retailer 6$499,874 AUD
Retailer 11$508,177 AUD
Retailer 12$525,556 AUD
Retailer 7$536,141 AUD
Retailer 10$545,822 AUD
Retailer 5$564,641 AUD
Retailer 3$588,169 AUD
Retailer 13$588,169 AUD
Retailer 14$611,695 AUD
Retailer 4$635,222 AUD
Retailer 2$683,195 AUD
Retailer 8$685,114 AUD
MOH London$881,838 AUD

38 data points across 14 retailers

14 retailers$508,177 AUD to $881,838 AUD

Retailer 1
-
$488,999 AUD
$343,495 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$508,177 AUD
$356,966 USD
View
Final sale: no returns
Retailer 3
-
$525,556 AUD
View
Price last confirmed 28 days ago
A
Retailer 4
-
$536,141 AUD
£296,543 GBP
View
B+
Retailer 5
-
$545,822 AUD
$383,410 USD
View
Retailer 6
-
$564,641 AUD
$396,629 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$588,169 AUD
$413,156 USD
View
B+
Retailer 8
-
$588,169 AUD
$413,156 USD
View
B+
Retailer 9
-
$588,423 AUD
$413,334 USD
View
B+
Retailer 10
-
$611,695 AUD
$429,682 USD
View
B+
Retailer 11
-
$635,222 AUD
$446,208 USD
View
B+
Retailer 12
-
$683,195 AUD
ZAR 7,752,936 ZAR
View
B+
Retailer 13
-
$685,114 AUD
€458,338 EUR
View
Most Expensive
B
MOH London
BC65175A3 · Nov 1
$881,838 AUD
£487,750 GBP
View
13 more retailers have this diamond
Prices start from $508,177 AUDSave up to $373,662 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
$508,177 AUD