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Marquise|Lab Grown|IGI

3.89ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG837608560

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837608560

Diamond specifications and retailer prices

From €415 EUR
$464 USD
As of October 30, 2026
Save €2,843 EUR (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,258 EUR at Brilliant Earth · As of October 31, 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 LG837608560 or 837608560. Listed at 13 retailers as of October 30, 2026, with prices from €415 to €3,258, a €2,843 spread on the same certified stone. Brilliant Earth lists it at €3,258. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837608560
Dimensions15.42 × 8.17 × 5.25 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.42 mm8.17 mm3.89 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837608560
Side View
Table 61.0%Crown 37.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.3%

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: €3,258 EUR|Low: €415 EUR|High: €3,661 EUR|Avg: €1,486 EUR|-11.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13€415 EUR
Retailer 9€465 EUR
Retailer 6€573 EUR
Retailer 8€784 EUR
Retailer 5€878 EUR
Retailer 7€1,088 EUR
Retailer 11€1,385 EUR
Retailer 10€1,387 EUR
Retailer 4€1,656 EUR
Retailer 3€1,803 EUR
Retailer 2€1,892 EUR
Retailer 12€2,325 EUR
Brilliant Earth€3,258 EUR

36 data points across 13 retailers

13 retailers€415 EUR to €3,258 EUR

A
Cheapest Retailer
-
€415 EUR
$464 USD
A
Retailer 2
-
€465 EUR
$520 USD
View
A
Retailer 3
-
€573 EUR
£504 GBP
View
Retailer 4
-
€784 EUR
View
Price last confirmed 7 days ago
A
Retailer 5
-
€878 EUR
$981 USD
View
A
Retailer 6
-
€1,088 EUR
A$1,870 AUD
View
A
Retailer 7
-
€1,385 EUR
$1,547 USD
View
B+
Retailer 8
-
€1,387 EUR
$1,550 USD
View
B+
Retailer 9
-
€1,656 EUR
$1,850 USD
View
B+
Retailer 10
-
€1,803 EUR
$2,014 USD
View
B+
Retailer 11
-
€1,892 EUR
£1,664 GBP
View
B+
Retailer 12
-
€2,325 EUR
$2,598 USD
View
Most Expensive
B
Brilliant Earth
21361186A · Oct 31
€3,258 EUR
$3,640 USD
View
12 more retailers have this diamond
Prices start from €415 EURSave up to €2,843 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
€415 EUR