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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 $464 USD
As of October 30, 2026
Save $3,176 USD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,640 USD 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 $464 to $3,640, a $3,176 spread on the same certified stone. Brilliant Earth lists it at $3,640. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,640 USD|Low: $464 USD|High: $4,090 USD|Avg: $1,665 USD|-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
October 30, 2026
Retailer 13$464 USD
Retailer 9$520 USD
Retailer 2$642 USD
Retailer 7$876 USD
Retailer 5$981 USD
Retailer 6$1,216 USD
Retailer 11$1,547 USD
Retailer 10$1,550 USD
Retailer 4$1,850 USD
Retailer 3$2,014 USD
Retailer 8$2,117 USD
Retailer 12$2,598 USD
Brilliant Earth$3,640 USD

35 data points across 13 retailers

13 retailers$464 USD to $3,640 USD

A
Cheapest Retailer
-
$464 USD
A
Retailer 2
-
$520 USD
View
A
Retailer 3
-
$642 USD
£506 GBP
View
A
Retailer 4
-
$876 USD
€834 EUR
View
A
Retailer 5
-
$981 USD
View
A
Retailer 6
-
$1,216 USD
A$1,870 AUD
View
A
Retailer 7
-
$1,547 USD
View
B+
Retailer 8
-
$1,550 USD
View
B+
Retailer 9
-
$1,850 USD
View
B+
Retailer 10
-
$2,014 USD
View
B+
Retailer 11
-
$2,117 USD
£1,667 GBP
View
B+
Retailer 12
-
$2,598 USD
View
Most Expensive
B
Brilliant Earth
21361186A · Oct 31
$3,640 USD
View
12 more retailers have this diamond
Prices start from $464 USDSave up to $3,176 USD

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
$464 USD