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0.51ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • GIA 2566402667

Certificate GIA 2566402667

Diamond specifications and retailer prices

From $2,055 CAD
$1,471 USD
As of November 1, 2026
Save $2,737 CAD (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,792 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566402667. Listed at 2 retailers as of October 29, 2026, with prices from $2,055 to $4,792, a $2,737 spread on the same certified stone. MOH London lists it at $4,792. 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

0.51
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2566402667
Dimensions5.13 × 5.11 × 3.17 mm
L/W Ratio1.00
Top View
5.13 mm5.11 mm0.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566402667
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 61.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $4,792 CAD|Low: $2,055 CAD|High: $4,935 CAD|Avg: $3,285 CAD|-2.9%
MOH London
Retailer 2
October 29, 2026
Retailer 2$2,055 CAD
MOH London$4,792 CAD

4 data points across 2 retailers

2 retailers$2,055 CAD to $4,792 CAD

B
Cheapest Retailer
-
$2,055 CAD
$1,471 USD
Most Expensive
B
MOH London
2566402667 · Oct 29
$4,792 CAD
£2,701 GBP
View
1 more retailer has this diamond
Prices start from $2,055 CADSave up to $2,737 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
0.51ct Round
$2,055 CAD