Round|Lab Grown|GIA

0.30ct I VVS1 Round Lab Grown Diamond

VG • I/VVS1 • GIA 6211734421

Certificate GIA 6211734421

Diamond specifications and retailer prices

From €316 EUR
£278 GBP
As of November 1, 2026
Save €280 EUR (47%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €596 EUR at MOH London · As of October 25, 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 I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by GIA 6211734421. Listed at 3 retailers as of October 25, 2026, with prices from €316 to €596, a €280 spread on the same certified stone. MOH London lists it at €596. 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
I
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6211734421
Dimensions4.23 × 4.19 × 2.63 mm
L/W Ratio1.01
Top View
4.23 mm4.19 mm0.30 ctI / VVS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6211734421
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €596 EUR|Low: €312 EUR|High: €630 EUR|Avg: €467 EUR|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2€316 EUR
Retailer 3€405 EUR
Retailer 4€476 EUR
MOH London€596 EUR

33 data points across 4 retailers

3 retailers€316 EUR to €596 EUR

B+
Cheapest Retailer
-
€316 EUR
£278 GBP
B
Retailer 2
-
€405 EUR
View
Most Expensive
B
MOH London
3BC8AE4E0 · Oct 25
€596 EUR
£524 GBP
View
2 more retailers have this diamond
Prices start from €316 EURSave up to €280 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+
0.30ct Round
€316 EUR