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Marquise|Lab Grown|IGI

3.20ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG839690975

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839690975

Diamond specifications and retailer prices

From $526 SGD
$411 USD
As of November 1, 2026
Save $572 SGD (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,095 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.2ct lab-grown marquise diamond

This 3.2ct 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 LG839690975 or 839690975. Listed at 3 retailers as of November 1, 2026, with a 109% 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

3.20
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839690975
Dimensions15.25 × 7.58 × 4.89 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.25 mm7.58 mm3.20 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839690975
Side View
Table 58.0%Crown 36°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $3,095 SGD|Low: $526 SGD|High: $3,127 SGD|Avg: $1,868 SGD|-1.0%
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$526 SGD
Retailer 2$1,097 SGD
Rare Carat$3,095 SGD

29 data points across 3 retailers

3 retailers$526 SGD to $1,097 SGD

A
Cheapest Retailer
-
$526 SGD
$411 USD
Final sale: no returns
A
Retailer 2
-
$1,097 SGD
£676 GBP
View
Most Expensive
Rare Carat
839690975 · Oct 18
$3,095 SGD
$2,420 USD
View
Price last confirmed 15 days ago
2 more retailers have this diamond
Prices start from $526 SGDSave up to $572 SGD

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
3.20ct Marquise
$526 SGD