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Round|Lab Grown|GIA

0.33ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • GIA 6391704218

Certificate GIA 6391704218

Diamond specifications and retailer prices

From $443 USD
£349 GBP
As of October 29, 2026
Save $355 USD (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $798 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.33ct lab-grown round diamond

This 0.33ct lab-grown round sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6391704218. Listed at 3 retailers as of October 26, 2026, with prices from $443 to $798, a $355 spread on the same certified stone. MOH London lists it at $798. 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

0.33
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginLab Grown
Grading LabGIA
CertificateGIA 6391704218
Dimensions4.38 × 4.41 × 2.78 mm
L/W Ratio1.01
Top View
4.38 mm4.41 mm0.33 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6391704218
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $798 USD|Low: $419 USD|High: $810 USD|Avg: $569 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 2$443 USD
Retailer 4$526 USD
Retailer 3$578 USD
MOH London$798 USD

39 data points across 4 retailers

3 retailers$443 USD to $798 USD

B
Cheapest Retailer
-
$443 USD
£349 GBP
B
Retailer 2
-
$578 USD
€550 EUR
View
Most Expensive
B
MOH London
ED42A0667 · Oct 26
$798 USD
£628 GBP
View
2 more retailers have this diamond
Prices start from $443 USDSave up to $355 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
0.33ct Round
$443 USD