Round|Natural|GIA

0.38ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555452555

Certificate GIA 6555452555

Diamond specifications and retailer prices

From $427 USD
As of October 28, 2026
Save $792 USD (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,734 USD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.38ct natural round diamond

This 0.38ct natural round sits in the sub-half-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555452555. Listed at 17 retailers as of October 27, 2026, with a 186% 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

0.38
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555452555
Dimensions4.64 × 4.66 × 2.89 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.64 mm4.66 mm0.38 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555452555
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: Oct 28
Current: $686 USD|Low: $427 USD|High: $1,226 USD|Avg: $726 USD|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$427 USD
Retailer 5$499 USD
Retailer 2$560 USD
Retailer 1$686 USD
Retailer 3$1,050 USD
Retailer 4$1,219 USD

42 data points across 6 retailers

17 retailers$427 USD to $1,219 USD

Retailer 1
-
$410 USD
Price last confirmed 42 days ago
Retailer 2
-
$410 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$427 USD
View
Retailer 4
-
$441 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$441 USD
View
Price last confirmed 22 days ago
Retailer 6
-
$473 USD
View
Price last confirmed 38 days ago
Retailer 7
-
$473 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$520 USD
View
B+
Retailer 9
-
$520 USD
View
B+
Retailer 10
-
$528 USD
View
B+
Retailer 11
-
$540 USD
View
B+
Retailer 12
-
$560 USD
£441 GBP
View
B+
Retailer 13
-
$686 USD
€653 EUR
View
B
Retailer 14
-
$1,050 USD
£827 GBP
View
B
Retailer 15
-
$1,219 USD
£960 GBP
View
Retailer 16
-
$1,734 USD
View
Price under review
Most Expensive
NZ Jewellers
1fa87c7f-2fee-4269-ae67-50ae34c5f2f3 · Sep 24
$1,734 USD
View
Price under review
16 more retailers have this diamond
Prices start from $427 USDSave up to $792 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
0.38ct Round
$427 USD