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Radiant|Lab Grown|IGI

0.94ct I SI1 Radiant Lab Grown Diamond

VG • I/SI1 • IGI LG407950386

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG407950386

Diamond specifications and retailer prices

From £433 GBP
As of November 6, 2026
Save £1,502 GBP (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,573 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.94ct lab-grown radiant diamond

This 0.94ct lab-grown radiant sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG407950386 or 407950386. Listed at 10 retailers as of November 6, 2026, with a 347% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.94
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle42.5°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407950386
Dimensions6.39 × 5.03 × 3.34 mm
L/W Ratio1.27
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.39 mm5.03 mm0.94 ctI / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407950386
Side View
Table 66.0%Crown 42.5°Girdle: MED-STKPavilion 32.5°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £2,573 GBP|Low: £433 GBP|High: £2,956 GBP|Avg: £1,266 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 2£433 GBP
Retailer 6£593 GBP
Retailer 10£646 GBP
Retailer 11£664 GBP
Retailer 7£688 GBP
Retailer 12£818 GBP
Retailer 3£1,059 GBP
Retailer 9£1,110 GBP
Retailer 5£1,637 GBP
Retailer 8£1,935 GBP
MOH London£2,573 GBP
Retailer 4£2,956 GBP

15 data points across 12 retailers

10 retailers£433 GBP to £1,935 GBP

B+
Cheapest Retailer
-
£433 GBP
B
Retailer 2
-
£593 GBP
View
B
Retailer 3
-
£646 GBP
View
B
Retailer 4
-
£664 GBP
View
Final sale: no returns
Retailer 5
-
£688 GBP
View
Price last confirmed 26 days ago
B
Retailer 6
-
£688 GBP
View
B
Retailer 7
-
£1,110 GBP
View
C
Retailer 8
-
£1,637 GBP
View
C
Retailer 9
-
£1,935 GBP
View
Most Expensive
MOH London
LG407950386 · Nov 5
£2,573 GBP
View
Price under review
9 more retailers have this diamond
Prices start from £433 GBPSave up to £1,502 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.

B+
0.94ct Radiant
£433 GBP