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Oval|Lab Grown|GCAL

1.55ct F SI1 Oval Lab Grown Diamond

EX • F/SI1

Diamond specifications and retailer prices

From £1,130 GBP
CA$2,103 CAD
As of October 30, 2026
3 retailers carry this diamond
Most expensive: £1,130 GBP at Diamond Exchange Canada
View at Diamond Exchange Canada

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL. Listed at 3 retailers as of October 30, 2026. 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

1.55
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions9.23 × 6.48 × 4.02 mm
L/W Ratio1.42
Top View
9.23 mm6.48 mm1.55 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCuletDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £1,130 GBP|Low: £165 GBP|High: £1,130 GBP|Avg: £482 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
October 1, 2026
Retailer 2£165 GBP
Retailer 3£202 GBP
Retailer 4£204 GBP
Diamond Exchange Canada£1,130 GBP

4 data points across 4 retailers

3 retailers

Retailer 1
-
£165 GBP
$221 USD
Price last confirmed 39 days ago
Retailer 2
-
£202 GBP
$270 USD
View
Price last confirmed 40 days ago
Most Expensive
B
Diamond Exchange Canada
1986531763 · Oct 30
£1,130 GBP
CA$2,103 CAD
View
2 more retailers have this diamond

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
1.55ct Oval
£1,130 GBP