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Round|Natural|GIA

5.55ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6422968845

Certificate GIA 6422968845

Diamond specifications and retailer prices

From $203,295 NZD
$114,578 USD
As of October 31, 2026
Save $164,760 NZD (45%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $368,055 NZD 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 29, 2026, with prices from $203,295 to $368,055, a $164,760 spread on the same certified stone. MOH London lists it at $368,055. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $368,055 NZD|Low: $200,727 NZD|High: $370,504 NZD|Avg: $249,930 NZD|-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 31, 2026
Retailer 3$200,727 NZD
Retailer 6$210,613 NZD
Retailer 12$213,502 NZD
Retailer 4$218,386 NZD
Retailer 2$226,558 NZD
Retailer 7$234,131 NZD
Retailer 5$234,410 NZD
Retailer 10$244,177 NZD
Retailer 14$244,177 NZD
Retailer 9$248,132 NZD
Retailer 11$253,945 NZD
Retailer 15$263,711 NZD
Retailer 8$277,099 NZD
Retailer 13$282,119 NZD
MOH London$368,055 NZD

29 data points across 15 retailers

21 retailers$203,295 NZD to $368,055 NZD

Retailer 1
-
$200,727 NZD
$113,130 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$203,295 NZD
$114,578 USD
View
A
Retailer 3
-
$210,613 NZD
$118,702 USD
View
A
Retailer 4
-
$210,742 NZD
$118,775 USD
View
A
Retailer 5
-
$213,502 NZD
$120,330 USD
View
Retailer 6
-
$218,386 NZD
A$189,358 AUD
View
Price last confirmed 27 days ago
A
Retailer 7
-
$226,294 NZD
$127,540 USD
View
A
Retailer 8
-
$226,558 NZD
£100,542 GBP
View
B+
Retailer 9
-
$234,131 NZD
$131,957 USD
View
Retailer 10
-
$234,410 NZD
$132,114 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
$241,021 NZD
$135,840 USD
View
B+
Retailer 12
-
$241,021 NZD
$135,840 USD
View
B+
Retailer 13
-
$244,177 NZD
$137,619 USD
View
B+
Retailer 14
-
$244,177 NZD
$137,619 USD
View
B+
Retailer 15
-
$248,132 NZD
£110,116 GBP
View
B+
Retailer 16
-
$249,058 NZD
$140,370 USD
View
B+
Retailer 17
-
$253,945 NZD
$143,124 USD
View
B+
Retailer 18
-
$263,711 NZD
$148,628 USD
View
B+
Retailer 19
-
$277,099 NZD
€148,737 EUR
View
B+
Retailer 20
-
$282,119 NZD
ZAR 2,568,705 ZAR
View
Most Expensive
B
MOH London
9258E094A · Oct 29
$368,055 NZD
£163,336 GBP
View
20 more retailers have this diamond
Prices start from $203,295 NZDSave up to $164,760 NZD

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
$203,295 NZD