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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 €497 EUR
$555 USD
As of October 31, 2026
Save €2,755 EUR (85%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €3,366 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 October 31, 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
Color
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: Oct 31
Current: €3,366 EUR|Low: €497 EUR|High: €3,366 EUR|Avg: €1,556 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€497 EUR
Retailer 5€693 EUR
Retailer 10€770 EUR
Retailer 9€844 EUR
Retailer 3€960 EUR
Retailer 4€1,178 EUR
Retailer 11€1,278 EUR
Retailer 12€1,525 EUR
Retailer 8€1,805 EUR
Retailer 7€2,466 EUR
Retailer 2€3,252 EUR
Brilliant Earth€3,366 EUR

17 data points across 12 retailers

6 retailers€497 EUR to €3,252 EUR

A
Cheapest Retailer
-
€497 EUR
$555 USD
Final sale: no returns
B+
Retailer 2
-
€693 EUR
$774 USD
View
B+
Retailer 3
-
€1,805 EUR
$2,016 USD
View
Retailer 4
-
€2,466 EUR
$2,755 USD
View
Price last confirmed 7 days ago
B
Retailer 5
-
€3,252 EUR
$3,633 USD
View
Most Expensive
Brilliant Earth
20438618A · Sep 28
€3,366 EUR
$3,760 USD
View
Price last confirmed 33 days ago
5 more retailers have this diamond
Prices start from €497 EURSave up to €2,755 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
€497 EUR