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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 $358 USD
£282 GBP
As of October 30, 2026
Save $299 USD (45%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $657 USD 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 $358 to $657, a $299 spread on the same certified stone. MOH London lists it at $657. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $657 USD|Low: $326 USD|High: $660 USD|Avg: $457 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7$326 USD
Retailer 2$358 USD
Retailer 6$413 USD
Retailer 4$470 USD
Retailer 5$476 USD
Retailer 3$542 USD
MOH London$657 USD

43 data points across 7 retailers

6 retailers$358 USD to $657 USD

Retailer 1
-
$326 USD
Price last confirmed 8 days ago
B
Retailer 2
-
$358 USD
£282 GBP
View
B
Retailer 3
-
$413 USD
View
B
Retailer 4
-
$470 USD
View
B
Retailer 5
-
$542 USD
€516 EUR
View
Most Expensive
B
MOH London
4A9366EBB · Oct 29
$657 USD
£517 GBP
View
5 more retailers have this diamond
Prices start from $358 USDSave up to $299 USD

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
$358 USD