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0.51ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • GIA 6562584155

Certificate GIA 6562584155

Diamond specifications and retailer prices

From $2,063 CAD
$1,477 USD
As of October 30, 2026
Save $2,757 CAD (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,820 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562584155. Listed at 2 retailers as of October 29, 2026, with prices from $2,063 to $4,820, a $2,757 spread on the same certified stone. MOH London lists it at $4,820. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6562584155
Dimensions5.18 × 5.14 × 3.16 mm
L/W Ratio1.01
Top View
5.18 mm5.14 mm0.51 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562584155
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 61.3%

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: $4,820 CAD|Low: $2,063 CAD|High: $4,820 CAD|Avg: $2,982 CAD
MOH London
Retailer 2
October 29, 2026
Retailer 2$2,063 CAD
MOH London$4,820 CAD

2 data points across 2 retailers

2 retailers$2,063 CAD to $4,820 CAD

B
Cheapest Retailer
-
$2,063 CAD
$1,477 USD
Most Expensive
C
MOH London
6562584155 · Oct 29
$4,820 CAD
£2,717 GBP
View
1 more retailer has this diamond
Prices start from $2,063 CADSave up to $2,757 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
$2,063 CAD