CaratHunter
Plans
Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2566238867

Certificate GIA 2566238867

Diamond specifications and retailer prices

From $582 USD
As of November 5, 2026
Save $842 USD (59%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,424 USD at MOH London · As of November 4, 2026
View at MOH London

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566238867. Listed at 14 retailers as of November 4, 2026, with prices from $582 to $1,424, a $842 spread on the same certified stone. MOH London lists it at $1,424. 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

0.55
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566238867
Dimensions5.22 × 5.25 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.22 mm5.25 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566238867
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.9%

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 5
Current: $1,424 USD|Low: $576 USD|High: $1,433 USD|Avg: $882 USD|-0.6%
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 6, 2026
Retailer 10$582 USD
Retailer 13$588 USD
Retailer 4$718 USD
Retailer 5$722 USD
Retailer 14$737 USD
Retailer 11$783 USD
Retailer 7$815 USD
Retailer 8$930 USD
Retailer 9$939 USD
Retailer 2$1,001 USD
Retailer 6$1,026 USD
Retailer 3$1,062 USD
Retailer 12$1,101 USD
MOH London$1,424 USD

23 data points across 14 retailers

14 retailers$582 USD to $1,424 USD

A
Cheapest Retailer
-
$582 USD
A
Retailer 2
-
$588 USD
View
A
Retailer 3
-
$718 USD
View
Final sale: no returns
Retailer 4
-
$722 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$732 USD
View
Retailer 6
-
$737 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$783 USD
View
A
Retailer 8
-
$815 USD
View
B+
Retailer 9
-
$930 USD
View
B+
Retailer 10
-
$939 USD
View
B+
Retailer 11
-
$1,001 USD
View
B+
Retailer 12
-
$1,062 USD
View
B+
Retailer 13
-
$1,101 USD
View
Most Expensive
B
MOH London
864694A57 · Nov 4
$1,424 USD
£1,121 GBP
View
13 more retailers have this diamond
Prices start from $582 USDSave up to $842 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
0.55ct Round
$582 USD