Round|Lab Grown|GIA

0.40ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • GIA 2534449144

Certificate GIA 2534449144

Diamond specifications and retailer prices

From $1,243 AUD
$873 USD
As of November 1, 2026
Save $1,684 AUD (58%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,927 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct lab-grown round diamond

This 0.4ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2534449144. Listed at 2 retailers as of October 29, 2026, with prices from $1,243 to $2,927, a $1,684 spread on the same certified stone. MOH London lists it at $2,927. 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

0.40
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginLab Grown
Grading LabGIA
CertificateGIA 2534449144
Dimensions4.72 × 4.71 × 2.93 mm
L/W Ratio1.00
Top View
4.72 mm4.71 mm0.40 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2534449144
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $2,927 AUD|Low: $1,243 AUD|High: $3,010 AUD|Avg: $1,997 AUD|-2.8%
MOH London
Retailer 2
October 29, 2026
Retailer 2$1,243 AUD
MOH London$2,927 AUD

4 data points across 2 retailers

2 retailers$1,243 AUD to $2,927 AUD

B
Cheapest Retailer
-
$1,243 AUD
$873 USD
Most Expensive
B
MOH London
2534449144 · Oct 29
$2,927 AUD
£1,619 GBP
View
1 more retailer has this diamond
Prices start from $1,243 AUDSave up to $1,684 AUD

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
0.40ct Round
$1,243 AUD