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Radiant|Natural|GIA

0.40ct E SI1 Radiant Natural Diamond

GD • E/SI1 • GIA 2215581952

Certificate GIA 2215581952

Diamond specifications and retailer prices

From £482 GBP
$646 USD
As of October 30, 2026
2 retailers carry this diamond
Most expensive: £482 GBP at B2C Jewels
View at B2C Jewels

About this 0.4ct natural radiant diamond

This 0.4ct natural radiant sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2215581952. Listed at 2 retailers as of October 30, 2026. 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

0.40
Carat
E
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2215581952
Dimensions4.32 × 4.19 × 2.55 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
4.32 mm4.19 mm0.40 ctE / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2215581952
Side View
Table 67.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £482 GBP|Low: £404 GBP|High: £789 GBP|Avg: £590 GBP|-9.0%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 23, 2026
Retailer 4£417 GBP
B2C Jewels£482 GBP
Retailer 3£519 GBP
Retailer 2£637 GBP
Retailer 7£646 GBP
Retailer 5£652 GBP
Retailer 6£657 GBP

33 data points across 7 retailers

2 retailers

Retailer 1
-
£417 GBP
$559 USD
Price last confirmed 54 days ago
Most Expensive
B
B2C Jewels
31340618 · Oct 30
£482 GBP
$646 USD
View
1 more retailer has this diamond

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
0.40ct Radiant
£482 GBP