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0.55ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • GIA 6565319038

Certificate GIA 6565319038

Diamond specifications and retailer prices

From £1,253 GBP
$1,679 USD
As of November 1, 2026
Save £1,396 GBP (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,649 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.55ct lab-grown round diamond

This 0.55ct 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 6565319038. Listed at 2 retailers as of November 1, 2026, with prices from £1,253 to £2,649, a £1,396 spread on the same certified stone. MOH London lists it at £2,649. 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

0.55
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6565319038
Dimensions5.25 × 5.22 × 3.28 mm
L/W Ratio1.01
Top View
5.25 mm5.22 mm0.55 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565319038
Side View
Table 56.0%CrownGirdlePavilionCuletDepth 62.6%

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: £2,649 GBP|Low: £1,253 GBP|High: £2,743 GBP|Avg: £1,904 GBP|-3.4%
MOH London
Retailer 2
November 1, 2026
Retailer 2£1,253 GBP
MOH London£2,649 GBP

5 data points across 2 retailers

2 retailers£1,253 GBP to £2,649 GBP

B
Cheapest Retailer
-
£1,253 GBP
$1,679 USD
Most Expensive
B
MOH London
6565319038 · Nov 1
£2,649 GBP
View
1 more retailer has this diamond
Prices start from £1,253 GBPSave up to £1,396 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.

B
0.55ct Round
£1,253 GBP