Round|Lab Grown|IGI

0.90ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG365920611

Shape and cutting style on the report: Round brilliant

Certificate IGI LG365920611

Diamond specifications and retailer prices

From £126 GBP
$168 USD
As of October 28, 2026
Save £441 GBP (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £567 GBP at Michael Trio · As of October 29, 2026
View at Michael Trio

About this 0.9ct lab-grown round diamond

This 0.9ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG365920611 or 365920611. Listed at 6 retailers as of October 28, 2026, with prices from £126 to £567, a £441 spread on the same certified stone. Michael Trio lists it at £567. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG365920611
Dimensions6.22 × 6.25 × 3.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.22 mm6.25 mm0.90 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG365920611
Side View
Table 63.0%Crown 33°GirdlePavilion 40.3°Culet: NoneDepth 59.2%

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: £567 GBP|Low: £126 GBP|High: £750 GBP|Avg: £403 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5£126 GBP
Retailer 6£231 GBP
Retailer 2£238 GBP
Retailer 4£257 GBP
Retailer 8£292 GBP
Retailer 3£496 GBP
Michael Trio£567 GBP
Retailer 9£665 GBP
Retailer 7£750 GBP

12 data points across 9 retailers

6 retailers£126 GBP to £567 GBP

A
Cheapest Retailer
-
£126 GBP
$168 USD
Final sale: no returns
B+
Retailer 2
-
£231 GBP
HK$2,400 HKD
View
A
Retailer 3
-
£238 GBP
€302 EUR
View
B+
Retailer 4
-
£257 GBP
$342 USD
View
B
Retailer 5
-
£496 GBP
$660 USD
View
Most Expensive
B
Michael Trio
1411063700 · Oct 29
£567 GBP
SGD 1,021 SGD
View
5 more retailers have this diamond
Prices start from £126 GBPSave up to £441 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
0.90ct Round
£126 GBP