Round|Natural|GIA

0.38ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2557253400

Certificate GIA 2557253400

Diamond specifications and retailer prices

From $456 USD
As of October 31, 2026
Save $795 USD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,855 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557253400. Listed at 17 retailers as of October 28, 2026, with a 174% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557253400
Dimensions4.65 × 2.90 × 2.90 mm
L/W Ratio1.60
Top View
4.65 mm2.90 mm0.38 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557253400
Side View
Table 57.0%Crown 33.5°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: Oct 31
Current: $725 USD|Low: $456 USD|High: $1,251 USD|Avg: $743 USD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$456 USD
Retailer 9$472 USD
Retailer 8$536 USD
Retailer 3$597 USD
Retailer 1$725 USD
Retailer 4$750 USD
Retailer 7$775 USD
Retailer 2$1,118 USD
Retailer 5$1,251 USD

43 data points across 9 retailers

17 retailers$456 USD to $1,251 USD

Retailer 1
-
$438 USD
Price last confirmed 45 days ago
Retailer 2
-
$438 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$456 USD
View
Retailer 4
-
$472 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$472 USD
View
Price last confirmed 24 days ago
Retailer 6
-
$506 USD
View
Price last confirmed 40 days ago
Retailer 7
-
$506 USD
View
Price last confirmed 23 days ago
B+
Retailer 8
-
$556 USD
View
B+
Retailer 9
-
$597 USD
£470 GBP
View
B
Retailer 10
-
$721 USD
View
B+
Retailer 11
-
$725 USD
€690 EUR
View
B
Retailer 12
-
$750 USD
ZAR 12,124 ZAR
View
Retailer 13
-
$775 USD
A$1,193 AUD
View
Price last confirmed 28 days ago
B
Retailer 14
-
$1,118 USD
£880 GBP
View
B
Retailer 15
-
$1,251 USD
£985 GBP
View
Retailer 16
-
$1,855 USD
View
Price under review
Most Expensive
NZ Jewellers
678df5e5-e0dc-4240-865d-e4fd16a0f6cb · Sep 24
$1,855 USD
View
Price under review
16 more retailers have this diamond
Prices start from $456 USDSave up to $795 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
$456 USD