Round|Natural|GIA

5.55ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6422968845

Certificate GIA 6422968845

Diamond specifications and retailer prices

From $114,578 USD
As of October 28, 2026
Save $92,859 USD (45%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $207,437 USD at MOH London · As of October 29, 2026
View at MOH London

About this 5.55ct natural round diamond

This 5.55ct natural round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6422968845. Listed at 21 retailers as of October 28, 2026, with prices from $114,578 to $207,437, a $92,859 spread on the same certified stone. MOH London lists it at $207,437. 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

5.55
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422968845
Dimensions11.33 × 11.25 × 7.00 mm
L/W Ratio1.01
Top View
11.33 mm11.25 mm5.55 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422968845
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $207,437 USD|Low: $113,130 USD|High: $208,817 USD|Avg: $140,906 USD|-0.7%
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
Retailer 15
October 30, 2026
Retailer 3$113,130 USD
Retailer 6$118,702 USD
Retailer 12$120,330 USD
Retailer 4$123,083 USD
Retailer 9$128,758 USD
Retailer 7$131,957 USD
Retailer 5$132,114 USD
Retailer 10$137,619 USD
Retailer 14$137,619 USD
Retailer 8$139,848 USD
Retailer 11$143,124 USD
Retailer 15$148,628 USD
Retailer 2$156,174 USD
Retailer 13$159,003 USD
MOH London$207,437 USD

28 data points across 15 retailers

21 retailers$114,578 USD to $207,437 USD

Retailer 1
-
$113,130 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$114,578 USD
View
A
Retailer 3
-
$118,702 USD
View
A
Retailer 4
-
$118,775 USD
View
A
Retailer 5
-
$120,330 USD
View
Retailer 6
-
$123,083 USD
A$189,358 AUD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$127,540 USD
View
A
Retailer 8
-
$128,758 USD
£101,384 GBP
View
B+
Retailer 9
-
$131,957 USD
View
Retailer 10
-
$132,114 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
$135,840 USD
View
B+
Retailer 12
-
$135,840 USD
View
B+
Retailer 13
-
$137,619 USD
View
B+
Retailer 14
-
$137,619 USD
View
B+
Retailer 15
-
$139,848 USD
£110,116 GBP
View
B+
Retailer 16
-
$140,370 USD
View
B+
Retailer 17
-
$143,124 USD
View
B+
Retailer 18
-
$148,628 USD
View
B+
Retailer 19
-
$156,174 USD
€148,737 EUR
View
B+
Retailer 20
-
$159,003 USD
ZAR 2,568,705 ZAR
View
Most Expensive
B
MOH London
9258E094A · Oct 29
$207,437 USD
£163,336 GBP
View
20 more retailers have this diamond
Prices start from $114,578 USDSave up to $92,859 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
5.55ct Round
$114,578 USD