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0.51ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • GIA 2567044245

Certificate GIA 2567044245

Diamond specifications and retailer prices

From €1,127 EUR
$1,259 USD
As of November 1, 2026
Save €1,787 EUR (61%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €2,914 EUR at MOH London · As of November 1, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567044245. Listed at 2 retailers as of November 1, 2026, with prices from €1,127 to €2,914, a €1,787 spread on the same certified stone. MOH London lists it at €2,914. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2567044245
Dimensions5.11 × 5.09 × 3.18 mm
L/W Ratio1.00
Top View
5.11 mm5.09 mm0.51 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567044245
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 62.3%

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: €2,914 EUR|Low: €1,127 EUR|High: €3,016 EUR|Avg: €1,931 EUR|-3.4%
MOH London
Retailer 2
November 1, 2026
Retailer 2€1,127 EUR
MOH London€2,914 EUR

4 data points across 2 retailers

2 retailers€1,127 EUR to €2,914 EUR

B
Cheapest Retailer
-
€1,127 EUR
$1,259 USD
Most Expensive
C
MOH London
2567044245 · Nov 1
€2,914 EUR
£2,563 GBP
View
1 more retailer has this diamond
Prices start from €1,127 EURSave up to €1,787 EUR

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
€1,127 EUR