Round|Natural|GIA

5.50ct E IF Round Natural Diamond

EX • E/IF • GIA 2145271156

Certificate GIA 2145271156

Diamond specifications and retailer prices

From $356,966 USD
As of October 29, 2026
Save $265,792 USD (43%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $622,758 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 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 29, 2026, with prices from $356,966 to $622,758, a $265,792 spread on the same certified stone. MOH London lists it at $622,758. 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
Color
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 29
Current: $622,758 USD|Low: $343,495 USD|High: $626,905 USD|Avg: $421,873 USD|+0.4%
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
October 29, 2026
Retailer 9$343,495 USD
Retailer 6$351,134 USD
Retailer 11$356,966 USD
Retailer 12$369,174 USD
Retailer 2$378,610 USD
Retailer 10$383,410 USD
Retailer 5$396,629 USD
Retailer 3$413,156 USD
Retailer 13$413,156 USD
Retailer 14$429,682 USD
Retailer 4$446,208 USD
Retailer 8$477,356 USD
Retailer 7$480,493 USD
MOH London$622,758 USD

35 data points across 14 retailers

14 retailers$356,966 USD to $622,758 USD

A
Retailer 1
-
$343,495 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$356,966 USD
View
Final sale: no returns
A
Retailer 3
-
$369,174 USD
A$567,960 AUD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$378,610 USD
£298,118 GBP
View
B+
Retailer 5
-
$383,410 USD
View
B+
Retailer 6
-
$396,629 USD
View
B+
Retailer 7
-
$413,156 USD
View
B+
Retailer 8
-
$413,156 USD
View
B+
Retailer 9
-
$413,334 USD
View
B+
Retailer 10
-
$429,682 USD
View
B+
Retailer 11
-
$446,208 USD
View
B+
Retailer 12
-
$477,356 USD
ZAR 7,711,727 ZAR
View
B+
Retailer 13
-
$480,493 USD
€457,612 EUR
View
Most Expensive
B
MOH London
BC65175A3 · Oct 29
$622,758 USD
£490,361 GBP
View
13 more retailers have this diamond
Prices start from $356,966 USDSave up to $265,792 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
$356,966 USD