Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1563468794

Certificate GIA 1563468794

Diamond specifications and retailer prices

From $422 USD
As of November 6, 2026
Save $881 USD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,303 USD at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1563468794. Listed at 16 retailers as of November 1, 2026, with prices from $422 to $1,303, a $881 spread on the same certified stone. MOH London lists it at $1,303. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
OriginNatural
Grading LabGIA
CertificateGIA 1563468794
Dimensions5.23 × 5.25 × 3.28 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cloud
Top View
5.23 mm5.25 mm0.55 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1563468794
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilionCulet: NoneDepth 62.5%

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: $1,303 USD|Low: $422 USD|High: $1,325 USD|Avg: $694 USD|-0.2%
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
Retailer 16
November 6, 2026
Retailer 2$422 USD
Retailer 14$455 USD
Retailer 8$486 USD
Retailer 5$514 USD
Retailer 4$562 USD
Retailer 12$586 USD
Retailer 6$599 USD
Retailer 10$689 USD
Retailer 16$689 USD
Retailer 13$692 USD
Retailer 9$717 USD
Retailer 3$755 USD
Retailer 11$770 USD
Retailer 7$775 USD
Retailer 15$860 USD
MOH London$1,303 USD

16 data points across 16 retailers

16 retailers$422 USD to $1,303 USD

A
Cheapest Retailer
-
$422 USD
A
Retailer 2
-
$455 USD
View
A
Retailer 3
-
$486 USD
View
A
Retailer 4
-
$514 USD
View
Final sale: no returns
A
Retailer 5
-
$562 USD
View
A
Retailer 6
-
$586 USD
View
A
Retailer 7
-
$599 USD
View
A
Retailer 8
-
$689 USD
View
A
Retailer 9
-
$689 USD
View
A
Retailer 10
-
$692 USD
View
A
Retailer 11
-
$717 USD
View
B+
Retailer 12
-
$755 USD
View
B+
Retailer 13
-
$770 USD
View
B+
Retailer 14
-
$775 USD
View
B+
Retailer 15
-
$860 USD
View
Most Expensive
B
MOH London
A48B088C3 · Nov 1
$1,303 USD
£1,026 GBP
View
15 more retailers have this diamond
Prices start from $422 USDSave up to $881 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
$422 USD