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Round|Lab Grown|IGI

10.40ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG605383642

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605383642

Diamond specifications and retailer prices

From €5,399 EUR
$6,032 USD
As of October 31, 2026
Save €15,413 EUR (74%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €20,812 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 10.4ct lab-grown round diamond

This 10.4ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605383642 or 605383642. Listed at 4 retailers as of October 30, 2026, with prices from €5,399 to €20,812, a €15,413 spread on the same certified stone. Taylor and Hart lists it at €20,812. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.40
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605383642
Dimensions14.12 × 14.09 × 8.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.12 mm14.09 mm10.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605383642
Side View
Table 60.0%Crown 33.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €7,566 EUR|Low: €5,399 EUR|High: €20,812 EUR|Avg: €11,042 EUR|+2.7%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
October 31, 2026
Retailer 3€5,399 EUR
Retailer 1€7,566 EUR
Retailer 2€10,124 EUR
Taylor and Hart€20,812 EUR

38 data points across 4 retailers

4 retailers€5,399 EUR to €20,812 EUR

B+
Cheapest Retailer
-
€5,399 EUR
$6,032 USD
B
Retailer 2
-
€7,566 EUR
£6,656 GBP
View
B
Retailer 3
-
€10,124 EUR
$11,311 USD
View
Most Expensive
B
Taylor and Hart
Q4WCV46 · Oct 30
€20,812 EUR
$23,252 USD
View
3 more retailers have this diamond
Prices start from €5,399 EURSave up to €15,413 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+
10.40ct Round
€5,399 EUR