Round|Natural|GIA

0.52ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6555944004

Certificate GIA 6555944004

Diamond specifications and retailer prices

From $643 USD
As of November 4, 2026
Save $764 USD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,073 USD at NZ Jewellers · As of September 15, 2026
View at NZ Jewellers

About this 0.52ct natural round diamond

This 0.52ct 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 6555944004. Listed at 15 retailers as of November 4, 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

0.52
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555944004
Dimensions5.21 × 5.18 × 3.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.21 mm5.18 mm0.52 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555944004
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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 4
Current: $905 USD|Low: $419 USD|High: $1,968 USD|Avg: $991 USD|+17.1%
Retailer 1
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 4$495 USD
Retailer 7$566 USD
Retailer 3$625 USD
Retailer 16$643 USD
Retailer 6$674 USD
Retailer 14$805 USD
Retailer 15$880 USD
Retailer 1$905 USD
Retailer 8$920 USD
Retailer 9$977 USD
Retailer 2$1,073 USD
Retailer 10$1,083 USD
Retailer 11$1,187 USD
Retailer 12$1,407 USD
Retailer 5$1,899 USD
Retailer 13$1,962 USD

27 data points across 16 retailers

15 retailers$643 USD to $1,407 USD

Retailer 1
-
$563 USD
Price last confirmed 63 days ago
Retailer 2
-
$625 USD
View
Price last confirmed 44 days ago
A
Retailer 3
-
$643 USD
View
Final sale: no returns
Retailer 4
-
$661 USD
View
Price last confirmed 53 days ago
Retailer 5
-
$763 USD
View
Price last confirmed 53 days ago
B+
Retailer 6
-
$805 USD
View
B+
Retailer 7
-
$880 USD
View
B+
Retailer 8
-
$905 USD
View
B+
Retailer 9
-
$977 USD
View
B
Retailer 10
-
$1,073 USD
View
B+
Retailer 11
-
$1,083 USD
View
B
Retailer 12
-
$1,187 USD
View
B
Retailer 13
-
$1,407 USD
View
Retailer 14
-
$1,962 USD
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
aeafb9b1-1276-4358-8311-aa6f45debeed · Sep 15
$2,073 USD
View
Price last confirmed 52 days ago
14 more retailers have this diamond
Prices start from $643 USDSave up to $764 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
0.52ct Round
$643 USD