Round|Natural|GIA

0.53ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555217384

Certificate GIA 6555217384

Diamond specifications and retailer prices

From $691 USD
As of November 4, 2026
Save $824 USD (54%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,593 USD at NZ Jewellers · As of September 23, 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 6555217384. Listed at 24 retailers as of November 2, 2026, with a 119% 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 angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555217384
Dimensions5.17 × 5.20 × 3.23 mm
L/W Ratio1.01
Top View
5.17 mm5.20 mm0.53 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555217384
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.2%

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 4
Current: $1,159 USD|Low: $633 USD|High: $2,019 USD|Avg: $1,077 USD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$691 USD
Retailer 8$720 USD
Retailer 9$735 USD
Retailer 6$749 USD
Retailer 3$980 USD
Retailer 2$1,041 USD
Retailer 1$1,159 USD
Retailer 4$1,515 USD
Retailer 5$2,012 USD

41 data points across 9 retailers

24 retailers$691 USD to $1,515 USD

A
Cheapest Retailer
-
$691 USD
Final sale: no returns
A
Retailer 2
-
$709 USD
View
B+
Retailer 3
-
$735 USD
View
Retailer 4
-
$749 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$749 USD
View
Price last confirmed 60 days ago
Retailer 6
-
$749 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$749 USD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$762 USD
View
Retailer 9
-
$778 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$778 USD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$855 USD
View
Retailer 12
-
$864 USD
View
Price last confirmed 53 days ago
Retailer 13
-
$864 USD
View
Price last confirmed 44 days ago
Retailer 14
-
$864 USD
View
Price last confirmed 60 days ago
B+
Retailer 15
-
$890 USD
View
B+
Retailer 16
-
$890 USD
View
B
Retailer 17
-
$920 USD
View
B+
Retailer 18
-
$980 USD
View
B+
Retailer 19
-
$1,041 USD
View
B
Retailer 20
-
$1,159 USD
View
B
Retailer 21
-
$1,515 USD
View
Retailer 22
-
$2,012 USD
View
Price last confirmed 9 days ago
Retailer 23
-
$2,593 USD
View
Price under review
Most Expensive
NZ Jewellers
1aa67541-fd65-42fc-9ba1-fb195532e476 · Sep 23
$2,593 USD
View
Price under review
23 more retailers have this diamond
Prices start from $691 USDSave up to $824 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
$691 USD