Round|Lab Grown|GIA

0.40ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • GIA 7373280205

Certificate GIA 7373280205

Diamond specifications and retailer prices

From $550 USD
HK$4,300 HKD
As of November 1, 2026
Save $773 USD (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,323 USD at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7373280205. Listed at 5 retailers as of November 1, 2026, with prices from $550 to $1,323, a $773 spread on the same certified stone. MOH London lists it at $1,323. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7373280205
Dimensions4.67 × 4.71 × 2.94 mm
L/W Ratio1.01
Top View
4.67 mm4.71 mm0.40 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7373280205
Side View
Table 55.0%CrownGirdlePavilionCulet: NDepth 62.6%

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: $1,323 USD|Low: $458 USD|High: $1,340 USD|Avg: $750 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 6$458 USD
Retailer 5$550 USD
Retailer 3$700 USD
Retailer 2$770 USD
Retailer 4$862 USD
MOH London$1,323 USD

41 data points across 6 retailers

5 retailers$550 USD to $1,323 USD

B+
Cheapest Retailer
-
$550 USD
HK$4,300 HKD
B
Retailer 2
-
$700 USD
£551 GBP
View
B
Retailer 3
-
$770 USD
€733 EUR
View
Retailer 4
-
$862 USD
A$1,326 AUD
View
Price last confirmed 28 days ago
Most Expensive
B
MOH London
C91D345AC · Nov 1
$1,323 USD
£1,042 GBP
View
4 more retailers have this diamond
Prices start from $550 USDSave up to $773 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+
0.40ct Round
$550 USD