Round|Natural|GIA

0.38ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555452555

Certificate GIA 6555452555

Diamond specifications and retailer prices

From £319 GBP
$427 USD
As of October 28, 2026
Save £591 GBP (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,294 GBP 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
Colour
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: £418 GBP|Low: £319 GBP|High: £915 GBP|Avg: £512 GBP|+6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 7£319 GBP
Retailer 6£329 GBP
Retailer 5£372 GBP
Retailer 1£418 GBP
Retailer 2£512 GBP
Retailer 3£784 GBP
Retailer 4£910 GBP

42 data points across 7 retailers

17 retailers£319 GBP to £910 GBP

Retailer 1
-
£306 GBP
$410 USD
Price last confirmed 43 days ago
Retailer 2
-
£306 GBP
$410 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
£319 GBP
$427 USD
View
Retailer 4
-
£329 GBP
$441 USD
View
Price last confirmed 32 days ago
Retailer 5
-
£329 GBP
$441 USD
View
Price last confirmed 23 days ago
Retailer 6
-
£353 GBP
$473 USD
View
Price last confirmed 39 days ago
Retailer 7
-
£353 GBP
$473 USD
View
Price last confirmed 22 days ago
B+
Retailer 8
-
£388 GBP
$520 USD
View
B+
Retailer 9
-
£388 GBP
$520 USD
View
B+
Retailer 10
-
£394 GBP
$528 USD
View
B+
Retailer 11
-
£403 GBP
$540 USD
View
B+
Retailer 12
-
£418 GBP
View
B+
Retailer 13
-
£512 GBP
€653 EUR
View
B
Retailer 14
-
£784 GBP
View
B
Retailer 15
-
£910 GBP
View
Retailer 16
-
£1,294 GBP
$1,734 USD
View
Price under review
Most Expensive
NZ Jewellers
1fa87c7f-2fee-4269-ae67-50ae34c5f2f3 · Sep 24
£1,294 GBP
$1,734 USD
View
Price under review
16 more retailers have this diamond
Prices start from £319 GBPSave up to £591 GBP

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
£319 GBP