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Round|Natural|GIA

0.37ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1565536368

Certificate GIA 1565536368

Diamond specifications and retailer prices

From £225 GBP
₹28,487 INR
As of October 25, 2026
Save £994 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,219 GBP at NZ Jewellers · As of October 22, 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 1565536368. Listed at 14 retailers as of October 22, 2026, with prices from £225 to £1,219, a £994 spread on the same certified stone. NZ Jewellers lists it at £1,219. 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 angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1565536368
Dimensions4.57 × 4.58 × 2.86 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Culet sizeNone
Key to symbols
Feather, Cloud, Cavity
Top View
4.57 mm4.58 mm0.37 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565536368
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 25
Current: £1,219 GBP|Low: £225 GBP|High: £1,219 GBP|Avg: £481 GBP
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
Retailer 14
October 26, 2026
Retailer 12£225 GBP
Retailer 10£312 GBP
Retailer 11£326 GBP
Retailer 3£336 GBP
Retailer 13£336 GBP
Retailer 8£366 GBP
Retailer 6£367 GBP
Retailer 14£410 GBP
Retailer 5£460 GBP
Retailer 9£483 GBP
Retailer 2£503 GBP
Retailer 7£632 GBP
Retailer 4£722 GBP
NZ Jewellers£1,219 GBP

17 data points across 14 retailers

14 retailers£225 GBP to £1,219 GBP

A
Cheapest Retailer
-
£225 GBP
₹28,487 INR
A
Retailer 2
-
£312 GBP
$415 USD
View
A
Retailer 3
-
£326 GBP
A$667 AUD
View
A
Retailer 4
-
£336 GBP
$447 USD
View
A
Retailer 5
-
£336 GBP
$447 USD
View
A
Retailer 6
-
£366 GBP
View
A
Retailer 7
-
£367 GBP
$489 USD
View
A
Retailer 8
-
£410 GBP
$546 USD
View
B+
Retailer 9
-
£460 GBP
$612 USD
View
B+
Retailer 10
-
£483 GBP
ZAR 10,387 ZAR
View
B+
Retailer 11
-
£503 GBP
€638 EUR
View
B+
Retailer 12
-
£632 GBP
View
B
Retailer 13
-
£722 GBP
View
Most Expensive
B
NZ Jewellers
ae98d28e-0c28-47b8-a324-e6552e6c20d4 · Oct 22
£1,219 GBP
$1,623 USD
View
13 more retailers have this diamond
Prices start from £225 GBPSave up to £994 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
£225 GBP