Marquise|Lab Grown|IGI

3.54ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG784618231

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784618231

Diamond specifications and retailer prices

From $2,508 USD
A$3,858 AUD
As of October 29, 2026
2 retailers carry this diamond
Most expensive: $4,586 USD at Rare Carat · As of August 19, 2026
View at Rare Carat

About this 3.54ct lab-grown marquise diamond

This 3.54ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784618231 or 784618231. Listed at 2 retailers as of October 29, 2026. 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

3.54
Carat
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784618231
Dimensions15.84 × 7.92 × 15.84 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.84 mm7.92 mm3.54 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784618231
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $4,586 USD|Low: $1,260 USD|High: $7,260 USD|Avg: $3,336 USD|-5.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 9, 2026
Retailer 3$1,260 USD
Retailer 4$1,322 USD
Retailer 6$1,638 USD
Retailer 2$2,508 USD
Retailer 7$3,125 USD
Rare Carat$4,586 USD
Retailer 5$6,900 USD

26 data points across 7 retailers

2 retailers

B+
Cheapest Retailer
-
$2,508 USD
A$3,858 AUD
Most Expensive
Rare Carat
MG162-45AAA · Aug 19
$4,586 USD
View
Price last confirmed 72 days ago
1 more retailer has this diamond
Prices start from $2,508 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.

B+
3.54ct Marquise
$2,508 USD