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Marquise|Lab Grown|IGI

3.77ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG811604514

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811604514

Diamond specifications and retailer prices

From $715 AUD
$502 USD
As of November 1, 2026
Save $3,798 AUD (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,513 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.77ct lab-grown marquise diamond

This 3.77ct 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 LG811604514 or 811604514. Listed at 3 retailers as of October 28, 2026, with prices from $715 to $4,513, a $3,798 spread on the same certified stone. Rare Carat lists it at $4,513. 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

3.77
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811604514
Dimensions16.77 × 8.15 × 4.90 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.77 mm8.15 mm3.77 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811604514
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,513 AUD|Low: $706 AUD|High: $4,556 AUD|Avg: $2,230 AUD|-0.9%
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$715 AUD
Retailer 2$1,347 AUD
Rare Carat$4,513 AUD

38 data points across 3 retailers

3 retailers$715 AUD to $4,513 AUD

A
Cheapest Retailer
-
$715 AUD
$502 USD
Final sale: no returns
A
Retailer 2
-
$1,347 AUD
£745 GBP
View
Most Expensive
B
Rare Carat
811604514 · Oct 28
$4,513 AUD
$3,170 USD
View
2 more retailers have this diamond
Prices start from $715 AUDSave up to $3,798 AUD

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
3.77ct Marquise
$715 AUD