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Round|Lab Grown|GIA

0.30ct H VS1 Round Lab Grown Diamond

GD • H/VS1 • GIA 6312717350

Certificate GIA 6312717350

Diamond specifications and retailer prices

From $550 CAD
£308 GBP
As of October 29, 2026
Save $267 CAD (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $817 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.3ct lab-grown round diamond

This 0.3ct lab-grown round sits in the sub-half-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by GIA 6312717350. Listed at 3 retailers as of October 29, 2026, with prices from $550 to $817, a $267 spread on the same certified stone. MOH London lists it at $817. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.30
Carat
H
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6312717350
Dimensions4.35 × 4.28 × 2.57 mm
L/W Ratio1.02
Top View
4.35 mm4.28 mm0.30 ctH / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6312717350
Side View
Table 66.0%CrownGirdlePavilionCulet: NoneDepth 59.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $817 CAD|Low: $447 CAD|High: $887 CAD|Avg: $675 CAD|-6.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 2$550 CAD
Retailer 3$574 CAD
Retailer 4$711 CAD
MOH London$817 CAD

42 data points across 4 retailers

3 retailers$550 CAD to $817 CAD

B
Cheapest Retailer
-
$550 CAD
£308 GBP
B
Retailer 2
-
$574 CAD
€389 EUR
View
Most Expensive
B
MOH London
222DC6413 · Oct 29
$817 CAD
£458 GBP
View
2 more retailers have this diamond
Prices start from $550 CADSave up to $267 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
0.30ct Round
$550 CAD