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Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG812617949

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812617949

Diamond specifications and retailer prices

From €497 EUR
$556 USD
As of November 3, 2026
Save €2,677 EUR (84%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €3,175 EUR at Frank Darling · As of November 3, 2026
View at Frank Darling

About this 3.8ct lab-grown marquise diamond

This 3.8ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812617949 or 812617949. Listed at 5 retailers as of November 3, 2026, with prices from €497 to €3,175, a €2,677 spread on the same certified stone. Frank Darling lists it at €3,175. 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

3.80
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812617949
Dimensions16.09 × 8.44 × 5.07 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.09 mm8.44 mm3.80 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812617949
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.1%

Caratlytics Score

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

Price History

Last verified: Nov 3
Current: €3,175 EUR|Low: €497 EUR|High: €3,175 EUR|Avg: €1,488 EUR|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 3€497 EUR
Retailer 2€691 EUR
Retailer 6€864 EUR
Retailer 5€1,804 EUR
Retailer 4€2,464 EUR
Frank Darling€3,175 EUR

18 data points across 6 retailers

5 retailers€497 EUR to €3,175 EUR

A
Cheapest Retailer
-
€497 EUR
$556 USD
Final sale: no returns
B+
Retailer 2
-
€691 EUR
$772 USD
View
B+
Retailer 3
-
€1,804 EUR
$2,017 USD
View
Retailer 4
-
€2,464 EUR
$2,755 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Frank Darling
100747444284KD · Nov 3
€3,175 EUR
$3,549 USD
View
4 more retailers have this diamond
Prices start from €497 EURSave up to €2,677 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
3.80ct Marquise
€497 EUR