Oval|Lab Grown|GIA

0.40ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • GIA 6552109820

Certificate GIA 6552109820

Diamond specifications and retailer prices

From €301 EUR
₹32,002 INR
As of November 1, 2026
Save €524 EUR (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €825 EUR at Moon Ocean · As of November 1, 2026
View at Moon Ocean

About this 0.4ct lab-grown oval diamond

This 0.4ct lab-grown oval sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552109820. Listed at 13 retailers as of November 1, 2026, with prices from €301 to €825, a €524 spread on the same certified stone. Moon Ocean lists it at €825. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6552109820
Dimensions5.62 × 4.08 × 2.65 mm
L/W Ratio1.38
Top View
5.62 mm4.08 mm0.40 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552109820
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.8%

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: €825 EUR|Low: €300 EUR|High: €1,872 EUR|Avg: €749 EUR|-0.3%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2€301 EUR
Retailer 11€390 EUR
Retailer 9€429 EUR
Retailer 10€504 EUR
Retailer 6€507 EUR
Retailer 4€525 EUR
Retailer 5€591 EUR
Retailer 7€617 EUR
Retailer 3€789 EUR
Moon Ocean€825 EUR
Retailer 8€1,860 EUR

39 data points across 11 retailers

13 retailers€301 EUR to €825 EUR

B+
Cheapest Retailer
-
€301 EUR
₹32,002 INR
Retailer 2
-
€390 EUR
$436 USD
View
Price last confirmed 31 days ago
B
Retailer 3
-
€429 EUR
$479 USD
View
Retailer 4
-
€455 EUR
$508 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€504 EUR
$563 USD
View
Price last confirmed 30 days ago
B
Retailer 6
-
€507 EUR
£446 GBP
View
B
Retailer 7
-
€525 EUR
$586 USD
View
B
Retailer 8
-
€591 EUR
$660 USD
View
B
Retailer 9
-
€617 EUR
View
B
Retailer 10
-
€789 EUR
$882 USD
View
Most Expensive
B
Moon Ocean
NVN-3473905D4-820 · Nov 1
€825 EUR
£726 GBP
View
10 more retailers have this diamond
Prices start from €301 EURSave up to €524 EUR

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 Oval
€301 EUR