Round|Lab Grown|GIA

0.30ct D SI2 Round Lab Grown Diamond

VG • D/SI2 • GIA 6465716407

Certificate GIA 6465716407

Diamond specifications and retailer prices

From £269 GBP
As of October 30, 2026
Save £224 GBP (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £493 GBP 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 D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6465716407. Listed at 6 retailers as of October 29, 2026, with prices from £269 to £493, a £224 spread on the same certified stone. MOH London lists it at £493. 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
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 6465716407
Dimensions4.21 × 4.23 × 2.70 mm
L/W Ratio1.00
Key to symbols
Feather
Top View
4.21 mm4.23 mm0.30 ctD / SI2
OriginLab Grown
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 6465716407
Side View
Table 57.0%Crown 34°GirdlePavilion 41.6°Culet: NoneDepth 63.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £493 GBP|Low: £245 GBP|High: £496 GBP|Avg: £344 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7£245 GBP
Retailer 2£269 GBP
Retailer 6£310 GBP
Retailer 4£353 GBP
Retailer 5£357 GBP
Retailer 3£407 GBP
MOH London£493 GBP

43 data points across 7 retailers

6 retailers£269 GBP to £493 GBP

Retailer 1
-
£245 GBP
$326 USD
Price last confirmed 8 days ago
B
Retailer 2
-
£269 GBP
View
B
Retailer 3
-
£310 GBP
$413 USD
View
B
Retailer 4
-
£353 GBP
$470 USD
View
B
Retailer 5
-
£407 GBP
€516 EUR
View
Most Expensive
B
MOH London
4A9366EBB · Oct 29
£493 GBP
View
5 more retailers have this diamond
Prices start from £269 GBPSave up to £224 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
0.30ct Round
£269 GBP