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Round|Lab Grown|IGI

0.90ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG497178855

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497178855

Diamond specifications and retailer prices

From €164 EUR
$182 USD
As of October 28, 2026
Save €624 EUR (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €787 EUR at MOH London · As of October 29, 2026
View at MOH London

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 LG497178855 or 497178855. Listed at 8 retailers as of October 28, 2026, with prices from €164 to €787, a €624 spread on the same certified stone. MOH London lists it at €787. 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
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497178855
Dimensions6.15 × 6.10 × 3.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.15 mm6.10 mm0.90 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497178855
Side View
Table 60.0%Crown 35.2°Girdle: ThickPavilion 41.4°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €787 EUR|Low: €119 EUR|High: €857 EUR|Avg: €395 EUR|-8.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 8€164 EUR
Retailer 3€260 EUR
Retailer 2€290 EUR
Retailer 6€307 EUR
Retailer 9€342 EUR
Retailer 4€355 EUR
Retailer 5€450 EUR
Retailer 7€588 EUR
MOH London€787 EUR

38 data points across 9 retailers

8 retailers€164 EUR to €787 EUR

A
Cheapest Retailer
-
€164 EUR
$182 USD
Final sale: no returns
A
Retailer 2
-
€260 EUR
$289 USD
View
A
Retailer 3
-
€290 EUR
£254 GBP
View
A
Retailer 4
-
€307 EUR
$342 USD
View
B+
Retailer 5
-
€355 EUR
$395 USD
View
B+
Retailer 6
-
€450 EUR
$501 USD
View
B
Retailer 7
-
€588 EUR
$655 USD
View
Most Expensive
B
MOH London
LG497178855 · Oct 29
€787 EUR
£690 GBP
View
7 more retailers have this diamond
Prices start from €164 EURSave up to €624 EUR

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
€164 EUR