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Radiant|Lab Grown|IGI

0.90ct I SI1 Radiant Lab Grown Diamond

ID • I/SI1 • IGI LG623473673

Certificate IGI LG623473673

Diamond specifications and retailer prices

From £978 GBP
$1,310 USD
As of November 1, 2026
Save £492 GBP (33%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,469 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.9ct lab-grown radiant diamond

This 0.9ct lab-grown radiant sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623473673 or 623473673. Listed at 5 retailers as of November 1, 2026, with prices from £978 to £1,469, a £492 spread on the same certified stone. Yorxs lists it at £1,469. 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

0.90
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishGood
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG623473673
Dimensions6.72 × 4.71 × 3.11 mm
L/W Ratio1.43
Top View
6.72 mm4.71 mm0.90 ctI / SI1
OriginLab Grown
CutIdeal
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateIGI LG623473673
Side View
Table 72.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,196 GBP|Low: £907 GBP|High: £1,471 GBP|Avg: £1,089 GBP|+2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
November 2, 2026
Retailer 6£937 GBP
Retailer 3£963 GBP
Retailer 2£978 GBP
Retailer 4£1,064 GBP
Retailer 5£1,089 GBP
Retailer 1£1,196 GBP
Yorxs£1,469 GBP

32 data points across 7 retailers

5 retailers£978 GBP to £1,469 GBP

Retailer 1
-
£573 GBP
$767 USD
Price last confirmed 90 days ago
Retailer 2
-
£963 GBP
$1,290 USD
View
Price last confirmed 11 days ago
B
Retailer 3
-
£978 GBP
$1,310 USD
View
B
Retailer 4
-
£1,196 GBP
View
Most Expensive
C
Yorxs
6E6758BBB · Nov 2
£1,469 GBP
€1,875 EUR
View
4 more retailers have this diamond
Prices start from £978 GBPSave up to £492 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
0.90ct Radiant
£978 GBP