Round|Natural|GIA

0.53ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2566648455

Certificate GIA 2566648455

Diamond specifications and retailer prices

From $387 USD
As of November 6, 2026
Save $1,312 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,699 USD at MOH London · As of November 2, 2026
View at MOH London

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566648455. Listed at 11 retailers as of November 2, 2026, with prices from $387 to $1,699, a $1,312 spread on the same certified stone. MOH London lists it at $1,699. 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

0.53
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566648455
Dimensions5.17 × 5.20 × 3.26 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.17 mm5.20 mm0.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566648455
Side View
Table 55.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.9%

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 6
Current: $1,699 USD|Low: $381 USD|High: $1,699 USD|Avg: $767 USD
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 2$387 USD
Retailer 6$485 USD
Retailer 10$526 USD
Retailer 5$711 USD
Retailer 11$828 USD
Retailer 4$851 USD
Retailer 3$856 USD
Retailer 7$964 USD
Retailer 9$1,046 USD
Retailer 8$1,108 USD
MOH London$1,699 USD

17 data points across 11 retailers

11 retailers$387 USD to $1,699 USD

A
Cheapest Retailer
-
$387 USD
A
Retailer 2
-
$485 USD
View
A
Retailer 3
-
$526 USD
View
B+
Retailer 4
-
$711 USD
View
B+
Retailer 5
-
$828 USD
View
B+
Retailer 6
-
$851 USD
View
B+
Retailer 7
-
$856 USD
View
Final sale: no returns
B+
Retailer 8
-
$964 USD
View
B
Retailer 9
-
$1,046 USD
View
B
Retailer 10
-
$1,108 USD
View
Most Expensive
B
MOH London
6D8C92663 · Nov 2
$1,699 USD
£1,338 GBP
View
10 more retailers have this diamond
Prices start from $387 USDSave up to $1,312 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
0.53ct Round
$387 USD