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Round|Natural|GIA

0.37ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 2506894839

Certificate GIA 2506894839

Diamond specifications and retailer prices

From £298 GBP
$397 USD
As of October 28, 2026
Save £845 GBP (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,143 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 very-good cut grade and certified by GIA 2506894839. Listed at 12 retailers as of October 26, 2026, with prices from £298 to £1,143, a £845 spread on the same certified stone. NZ Jewellers lists it at £1,143. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2506894839
Dimensions4.53 × 4.56 × 2.88 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
4.53 mm4.56 mm0.37 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2506894839
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

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 28
Current: £1,143 GBP|Low: £298 GBP|High: £1,143 GBP|Avg: £459 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
October 29, 2026
Retailer 12£298 GBP
Retailer 9£321 GBP
Retailer 11£321 GBP
Retailer 5£339 GBP
Retailer 3£344 GBP
Retailer 4£344 GBP
Retailer 2£353 GBP
Retailer 13£396 GBP
Retailer 7£461 GBP
Retailer 10£478 GBP
Retailer 6£484 GBP
Retailer 8£674 GBP
NZ Jewellers£1,143 GBP

45 data points across 13 retailers

12 retailers£298 GBP to £1,143 GBP

A
Cheapest Retailer
-
£298 GBP
$397 USD
A
Retailer 2
-
£315 GBP
A$644 AUD
View
A
Retailer 3
-
£321 GBP
$428 USD
View
A
Retailer 4
-
£321 GBP
$428 USD
View
A
Retailer 5
-
£344 GBP
$458 USD
View
A
Retailer 6
-
£353 GBP
View
B+
Retailer 7
-
£396 GBP
$528 USD
View
B+
Retailer 8
-
£461 GBP
ZAR 9,928 ZAR
View
B+
Retailer 9
-
£478 GBP
A$979 AUD
View
Price last confirmed 26 days ago
B+
Retailer 10
-
£484 GBP
€614 EUR
View
B
Retailer 11
-
£674 GBP
View
Most Expensive
B
NZ Jewellers
aab946dd-d77c-42c2-a857-27a9b3ca3812 · Oct 26
£1,143 GBP
$1,522 USD
View
11 more retailers have this diamond
Prices start from £298 GBPSave up to £845 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
£298 GBP