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Round|Natural|GIA

0.37ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2548045005

Certificate GIA 2548045005

Diamond specifications and retailer prices

From £224 GBP
₹28,425 INR
As of October 29, 2026
Save £962 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,186 GBP at NZ Jewellers · As of October 30, 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 2548045005. Listed at 14 retailers as of October 29, 2026, with prices from £224 to £1,186, a £962 spread on the same certified stone. NZ Jewellers lists it at £1,186. 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 angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2548045005
Dimensions4.58 × 4.56 × 2.84 mm
L/W Ratio1.00
Top View
4.58 mm4.56 mm0.37 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548045005
Side View
Table 57.0%Crown 35°Girdle: ThickPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
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: £1,186 GBP|Low: £223 GBP|High: £1,208 GBP|Avg: £478 GBP|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 7£224 GBP
Retailer 11£309 GBP
Retailer 10£315 GBP
Retailer 4£333 GBP
Retailer 13£333 GBP
Retailer 3£357 GBP
Retailer 2£381 GBP
Retailer 12£408 GBP
Retailer 8£479 GBP
Retailer 6£504 GBP
Retailer 5£505 GBP
Retailer 9£715 GBP
NZ Jewellers£1,186 GBP

31 data points across 13 retailers

14 retailers£224 GBP to £1,186 GBP

A
Cheapest Retailer
-
£224 GBP
₹28,425 INR
A
Retailer 2
-
£309 GBP
$412 USD
View
Retailer 3
-
£315 GBP
$420 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
£324 GBP
A$663 AUD
View
A
Retailer 5
-
£333 GBP
$444 USD
View
A
Retailer 6
-
£333 GBP
$444 USD
View
A
Retailer 7
-
£357 GBP
$475 USD
View
A
Retailer 8
-
£381 GBP
View
A
Retailer 9
-
£408 GBP
$543 USD
View
B+
Retailer 10
-
£479 GBP
ZAR 10,300 ZAR
View
B+
Retailer 11
-
£504 GBP
€639 EUR
View
Retailer 12
-
£505 GBP
A$1,035 AUD
View
Price last confirmed 25 days ago
B
Retailer 13
-
£715 GBP
View
Most Expensive
B
NZ Jewellers
a8121290-85e9-4bdd-928a-ee4a76da99ad · Oct 30
£1,186 GBP
$1,579 USD
View
13 more retailers have this diamond
Prices start from £224 GBPSave up to £962 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
£224 GBP