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Marquise|Lab Grown|IGI

3.78ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG810649938

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG810649938

Diamond specifications and retailer prices

From €712 EUR
$796 USD
As of October 30, 2026
Save €5,410 EUR (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €6,122 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.78ct lab-grown marquise diamond

This 3.78ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG810649938 or 810649938. Listed at 11 retailers as of October 29, 2026, with prices from €712 to €6,122, a €5,410 spread on the same certified stone. Do Amore Diamonds lists it at €6,122. 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

3.78
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810649938
Dimensions16.53 × 7.95 × 5.07 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.53 mm7.95 mm3.78 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810649938
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €6,122 EUR|Low: €684 EUR|High: €6,319 EUR|Avg: €2,563 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 7€712 EUR
Retailer 4€1,281 EUR
Retailer 8€1,332 EUR
Retailer 9€1,332 EUR
Retailer 6€1,334 EUR
Retailer 5€1,965 EUR
Retailer 2€3,435 EUR
Retailer 3€4,431 EUR
Do Amore Diamonds€6,122 EUR

22 data points across 9 retailers

11 retailers€712 EUR to €6,122 EUR

A
Cheapest Retailer
-
€712 EUR
$796 USD
A
Retailer 2
-
€775 EUR
$866 USD
View
Retailer 3
-
€1,281 EUR
£1,127 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
€1,332 EUR
$1,488 USD
View
A
Retailer 5
-
€1,332 EUR
$1,488 USD
View
A
Retailer 6
-
€1,334 EUR
$1,490 USD
View
B+
Retailer 7
-
€1,965 EUR
$2,195 USD
View
B+
Retailer 8
-
€2,564 EUR
$2,864 USD
View
B
Retailer 9
-
€3,435 EUR
£3,022 GBP
View
B
Retailer 10
-
€4,431 EUR
$4,950 USD
View
Most Expensive
B
Do Amore Diamonds
7-1792661 · Oct 29
€6,122 EUR
$6,840 USD
View
10 more retailers have this diamond
Prices start from €712 EURSave up to €5,410 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.

A
3.78ct Marquise
€712 EUR