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Round|Lab Grown

0.90ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • 528242348

Shape and cutting style on the report: Round brilliant

Diamond specifications and retailer prices

From $836 CAD
£470 GBP
As of October 28, 2026
Save $88 CAD (9%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $924 CAD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

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. Listed at 2 retailers as of October 27, 2026, with a relatively tight 10% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.3°
OriginLab Grown
Grading Lab
Certificate528242348
Dimensions6.20 × 6.22 × 3.78 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.20 mm6.22 mm0.90 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate528242348
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $924 CAD|Low: $491 CAD|High: $952 CAD|Avg: $755 CAD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
October 6, 2026
Retailer 3$491 CAD
Retailer 2$836 CAD
Brilliant Earth$924 CAD

2 data points across 3 retailers

2 retailers$836 CAD to $924 CAD

B
Cheapest Retailer
-
$836 CAD
£470 GBP
Most Expensive
C
Brilliant Earth
15434289A · Oct 27
$924 CAD
$660 USD
View
1 more retailer has this diamond
Prices start from $836 CADSave up to $88 CAD

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 Round
$836 CAD