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Marquise|Lab Grown|IGI

3.89ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG807698439

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807698439

Diamond specifications and retailer prices

From €496 EUR
$555 USD
As of November 3, 2026
Save €2,753 EUR (85%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €3,363 EUR at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 3.89ct lab-grown marquise diamond

This 3.89ct 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 LG807698439 or 807698439. Listed at 6 retailers as of November 1, 2026, with a 555% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.89
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807698439
Dimensions16.97 × 8.16 × 5.01 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
16.97 mm8.16 mm3.89 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807698439
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

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: €3,363 EUR|Low: €496 EUR|High: €3,363 EUR|Avg: €1,560 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 6€496 EUR
Retailer 5€692 EUR
Retailer 10€769 EUR
Retailer 9€844 EUR
Retailer 3€960 EUR
Retailer 4€1,177 EUR
Retailer 11€1,277 EUR
Retailer 12€1,524 EUR
Retailer 8€1,803 EUR
Retailer 7€2,464 EUR
Retailer 2€3,250 EUR
Brilliant Earth€3,363 EUR

15 data points across 12 retailers

6 retailers€496 EUR to €3,250 EUR

A
Cheapest Retailer
-
€496 EUR
$555 USD
Final sale: no returns
B+
Retailer 2
-
€692 EUR
$774 USD
View
B+
Retailer 3
-
€1,803 EUR
$2,016 USD
View
Retailer 4
-
€2,464 EUR
$2,755 USD
View
Price last confirmed 9 days ago
B
Retailer 5
-
€3,250 EUR
$3,633 USD
View
Most Expensive
Brilliant Earth
20438618A · Sep 28
€3,363 EUR
$3,760 USD
View
Price last confirmed 35 days ago
5 more retailers have this diamond
Prices start from €496 EURSave up to €2,753 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
3.89ct Marquise
€496 EUR