Round|Natural|GIA

0.53ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 5556985026

Certificate GIA 5556985026

Diamond specifications and retailer prices

From $419 USD
As of November 6, 2026
Save $889 USD (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,823 USD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5556985026. Listed at 15 retailers as of November 4, 2026, with a 212% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5556985026
Dimensions5.14 × 5.18 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.14 mm5.18 mm0.53 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556985026
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $419 USD|Low: $419 USD|High: $1,356 USD|Avg: $675 USD|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$419 USD
Retailer 3$486 USD
Retailer 11$486 USD
Retailer 2$523 USD
Retailer 8$565 USD
Retailer 4$594 USD
Retailer 5$687 USD
Retailer 7$704 USD
Retailer 6$767 USD
Retailer 10$790 USD
Retailer 9$1,308 USD

28 data points across 11 retailers

15 retailers$419 USD to $1,308 USD

A
Cheapest Retailer
-
$419 USD
A
Retailer 2
-
$486 USD
View
A
Retailer 3
-
$486 USD
View
A
Retailer 4
-
$523 USD
View
Final sale: no returns
A
Retailer 5
-
$565 USD
View
A
Retailer 6
-
$594 USD
View
Retailer 7
-
$610 USD
View
Price last confirmed 53 days ago
Retailer 8
-
$626 USD
View
Price last confirmed 22 days ago
A
Retailer 9
-
$687 USD
View
Retailer 10
-
$704 USD
View
Price last confirmed 53 days ago
A
Retailer 11
-
$704 USD
View
B+
Retailer 12
-
$767 USD
View
B+
Retailer 13
-
$790 USD
View
B
Retailer 14
-
$1,308 USD
View
Most Expensive
NZ Jewellers
f7958269-21c6-43bc-b17d-59437b9b4b74 · Oct 17
$1,823 USD
View
Price last confirmed 20 days ago
14 more retailers have this diamond
Prices start from $419 USDSave up to $889 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
$419 USD