Round|Natural|GIA

0.38ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6545856134

Certificate GIA 6545856134

Diamond specifications and retailer prices

From £143 GBP
₹18,301 INR
As of October 30, 2026
Save £385 GBP (73%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £872 GBP at NZ Jewellers · As of October 8, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545856134. Listed at 25 retailers as of October 29, 2026, with a 268% 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6545856134
Dimensions4.59 × 4.62 × 2.89 mm
L/W Ratio1.01
Top View
4.59 mm4.62 mm0.38 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545856134
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

Caratlytics Score

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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 30
Current: £320 GBP|Low: £143 GBP|High: £532 GBP|Avg: £321 GBP|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3£143 GBP
Retailer 7£191 GBP
Retailer 6£245 GBP
Retailer 4£290 GBP
Retailer 1£320 GBP
Retailer 2£344 GBP
Retailer 5£528 GBP

42 data points across 7 retailers

25 retailers£143 GBP to £528 GBP

A
Cheapest Retailer
-
£143 GBP
₹18,301 INR
A
Retailer 2
-
£191 GBP
HK$2,000 HKD
View
Retailer 3
-
£228 GBP
$305 USD
View
Price last confirmed 43 days ago
Retailer 4
-
£228 GBP
$305 USD
View
Price last confirmed 29 days ago
Retailer 5
-
£228 GBP
$305 USD
View
Price last confirmed 22 days ago
Retailer 6
-
£228 GBP
$305 USD
View
Price last confirmed 10 days ago
Retailer 7
-
£228 GBP
$305 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
£228 GBP
$305 USD
View
A
Retailer 9
-
£245 GBP
$328 USD
View
Retailer 10
-
£245 GBP
$328 USD
View
Price last confirmed 14 days ago
Retailer 11
-
£254 GBP
$340 USD
View
Price last confirmed 15 days ago
A
Retailer 12
-
£254 GBP
$340 USD
View
Retailer 13
-
£269 GBP
$361 USD
View
Price last confirmed 22 days ago
B+
Retailer 14
-
£290 GBP
View
Retailer 15
-
£306 GBP
$410 USD
View
Price last confirmed 40 days ago
Retailer 16
-
£306 GBP
$410 USD
View
Price last confirmed 21 days ago
Retailer 17
-
£306 GBP
$410 USD
View
Price last confirmed 26 days ago
Retailer 18
-
£306 GBP
$410 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
£320 GBP
$429 USD
View
B+
Retailer 20
-
£325 GBP
$435 USD
View
B+
Retailer 21
-
£344 GBP
€439 EUR
View
B
Retailer 22
-
£528 GBP
View
Retailer 23
-
£872 GBP
$1,168 USD
View
Price last confirmed 41 days ago
Retailer 24
-
£872 GBP
$1,168 USD
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
0999c897-24ba-43ee-bc53-c9e9a60c34a5 · Oct 8
£872 GBP
$1,168 USD
View
Price last confirmed 21 days ago
24 more retailers have this diamond
Prices start from £143 GBPSave up to £385 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
£143 GBP