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Round|Lab Grown|GCAL

3.53ct F SI1 Round Lab Grown Diamond

ID • F/SI1

Diamond specifications and retailer prices

From £408 GBP
$547 USD
As of October 31, 2026
Save £2,104 GBP (84%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,512 GBP at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 3.53ct lab-grown round diamond

This 3.53ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL. Listed at 2 retailers as of October 30, 2026, with prices from £408 to £2,512, a £2,104 spread on the same certified stone. Diamond Exchange Canada lists it at £2,512. 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

3.53
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions9.76 × 9.79 × 5.99 mm
L/W Ratio1.00
Top View
9.76 mm9.79 mm3.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCuletDepth 61.3%

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 31
Current: £2,512 GBP|Low: £336 GBP|High: £2,512 GBP|Avg: £925 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 4£336 GBP
Retailer 2£408 GBP
Retailer 6£411 GBP
Retailer 3£452 GBP
Retailer 5£1,210 GBP
Diamond Exchange Canada£2,512 GBP

11 data points across 6 retailers

2 retailers£408 GBP to £2,512 GBP

A
Cheapest Retailer
-
£408 GBP
$547 USD
Most Expensive
C
Diamond Exchange Canada
1986529154 · Oct 30
£2,512 GBP
CA$4,675 CAD
View
1 more retailer has this diamond
Prices start from £408 GBPSave up to £2,104 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
3.53ct Round
£408 GBP