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Round|Natural|GIA

5.55ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7531937422

Certificate GIA 7531937422

Diamond specifications and retailer prices

From $104,007 NZD
As of November 6, 2026
Save $77,988 NZD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $181,995 NZD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7531937422. Listed at 16 retailers as of November 4, 2026, with prices from $104,007 to $181,995, a $77,988 spread on the same certified stone. MOH London lists it at $181,995. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7531937422
Dimensions11.29 × 11.22 × 7.05 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
11.29 mm11.22 mm5.55 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531937422
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 62.6%

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: Nov 6
Current: $181,995 NZD|Low: $104,007 NZD|High: $194,208 NZD|Avg: $134,234 NZD|-6.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$104,007 NZD
Retailer 9$105,887 NZD
Retailer 7$113,031 NZD
Retailer 5$114,330 NZD
Retailer 10$116,843 NZD
Retailer 8$117,818 NZD
Retailer 2$118,034 NZD
Retailer 11$125,000 NZD
Retailer 4$140,398 NZD
Retailer 6$140,670 NZD
MOH London$181,995 NZD

38 data points across 11 retailers

16 retailers$104,007 NZD to $181,995 NZD

A
Cheapest Retailer
-
$104,007 NZD
A
Retailer 2
-
$105,887 NZD
View
A
Retailer 3
-
$113,031 NZD
View
A
Retailer 4
-
$114,330 NZD
View
Retailer 5
-
$116,843 NZD
View
Price last confirmed 8 days ago
Retailer 6
-
$117,818 NZD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$118,034 NZD
View
Retailer 8
-
$122,870 NZD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
$125,000 NZD
View
Retailer 10
-
$127,990 NZD
View
Price last confirmed 40 days ago
Retailer 11
-
$127,990 NZD
View
Price last confirmed 38 days ago
Retailer 12
-
$133,110 NZD
View
Price last confirmed 29 days ago
Retailer 13
-
$138,229 NZD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$140,398 NZD
View
B+
Retailer 15
-
$140,670 NZD
View
Most Expensive
B
MOH London
627661A39 · Nov 4
$181,995 NZD
£80,557 GBP
View
15 more retailers have this diamond
Prices start from $104,007 NZDSave up to $77,988 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
$104,007 NZD