Round|Natural|GIA

0.37ct E SI1 Round Natural Diamond

GD • E/SI1 • GIA 5506010065

Certificate GIA 5506010065

Diamond specifications and retailer prices

From £316 GBP
$421 USD
As of October 28, 2026
Save £894 GBP (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,210 GBP at NZ Jewellers · As of October 26, 2026
View at NZ Jewellers

About this 0.37ct natural round diamond

This 0.37ct natural round sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 5506010065. Listed at 13 retailers as of October 26, 2026, with prices from £316 to £1,210, a £894 spread on the same certified stone. NZ Jewellers lists it at £1,210. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.37
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceMedium
Crown angle32°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5506010065
Dimensions4.73 × 4.75 × 2.74 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Top View
4.73 mm4.75 mm0.37 ctE / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 5506010065
Side View
Table 58.0%Crown 32°Girdle: VTN-MEDPavilion 40.2°Culet: NoneDepth 57.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £361 GBP|Low: £338 GBP|High: £738 GBP|Avg: £474 GBP|+6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6£346 GBP
Retailer 1£361 GBP
Retailer 7£430 GBP
Retailer 8£454 GBP
Retailer 4£489 GBP
Retailer 5£506 GBP
Retailer 3£537 GBP
Retailer 2£733 GBP

44 data points across 8 retailers

13 retailers£316 GBP to £1,210 GBP

B+
Cheapest Retailer
-
£316 GBP
$421 USD
B+
Retailer 2
-
£340 GBP
$453 USD
View
B+
Retailer 3
-
£343 GBP
A$703 AUD
View
B+
Retailer 4
-
£361 GBP
View
B+
Retailer 5
-
£364 GBP
$485 USD
View
B+
Retailer 6
-
£430 GBP
$573 USD
View
B+
Retailer 7
-
£454 GBP
$604 USD
View
B
Retailer 8
-
£489 GBP
ZAR 10,515 ZAR
View
B
Retailer 9
-
£506 GBP
A$1,036 AUD
View
Price last confirmed 25 days ago
B
Retailer 10
-
£537 GBP
€681 EUR
View
B
Retailer 11
-
£674 GBP
View
B
Retailer 12
-
£733 GBP
View
Most Expensive
C
NZ Jewellers
fbf9cc23-e26f-487e-88ab-0f37c993b94e · Oct 26
£1,210 GBP
$1,612 USD
View
12 more retailers have this diamond
Prices start from £316 GBPSave up to £894 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.

B+
0.37ct Round
£316 GBP