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Round|Natural|GIA

0.37ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6542645719

Certificate GIA 6542645719

Diamond specifications and retailer prices

From £185 GBP
₹23,465 INR
As of October 29, 2026
Save £393 GBP (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,078 GBP at NZ Jewellers · As of September 21, 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 top-tier cut grade and certified by GIA 6542645719. Listed at 13 retailers as of October 26, 2026, with a 212% 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

0.37
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542645719
Dimensions4.58 × 4.56 × 2.88 mm
L/W Ratio1.00
Key to symbols
Cloud
Top View
4.58 mm4.56 mm0.37 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542645719
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £324 GBP|Low: £185 GBP|High: £658 GBP|Avg: £400 GBP|-6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3£185 GBP
Retailer 10£222 GBP
Retailer 6£239 GBP
Retailer 1£324 GBP
Retailer 8£348 GBP
Retailer 7£387 GBP
Retailer 5£426 GBP
Retailer 2£451 GBP
Retailer 4£515 GBP
Retailer 9£578 GBP

30 data points across 10 retailers

13 retailers£185 GBP to £578 GBP

A+
Cheapest Retailer
-
£185 GBP
₹23,465 INR
A
Retailer 2
-
£222 GBP
HK$2,300 HKD
View
A
Retailer 3
-
£239 GBP
$318 USD
View
A
Retailer 4
-
£281 GBP
$374 USD
View
Price last confirmed 41 days ago
A
Retailer 5
-
£324 GBP
View
A
Retailer 6
-
£348 GBP
$463 USD
View
A
Retailer 7
-
£379 GBP
$503 USD
View
Price last confirmed 37 days ago
A
Retailer 8
-
£387 GBP
ZAR 8,303 ZAR
View
A
Retailer 9
-
£426 GBP
€539 EUR
View
B+
Retailer 10
-
£451 GBP
A$922 AUD
View
Price last confirmed 26 days ago
B+
Retailer 11
-
£515 GBP
View
B+
Retailer 12
-
£578 GBP
View
Most Expensive
B
NZ Jewellers
b096d287-373f-432d-91b1-7cb548c80fee · Sep 21
£1,078 GBP
$1,432 USD
View
Price last confirmed 38 days ago
12 more retailers have this diamond
Prices start from £185 GBPSave up to £393 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+
0.37ct Round
£185 GBP