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Marquise|Lab Grown|IGI

3.98ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG840636870

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840636870

Diamond specifications and retailer prices

From $693 SGD
$542 USD
As of November 1, 2026
Save $4,587 SGD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,280 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.98ct lab-grown marquise diamond

This 3.98ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840636870 or 840636870. Listed at 4 retailers as of October 30, 2026, with prices from $693 to $5,280, a $4,587 spread on the same certified stone. Brilliant Earth lists it at $5,280. 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

3.98
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840636870
Dimensions15.81 × 8.30 × 5.25 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.81 mm8.30 mm3.98 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840636870
Side View
Table 61.0%Crown 37.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $5,280 SGD|Low: $684 SGD|High: $5,280 SGD|Avg: $3,005 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$693 SGD
Retailer 2$1,315 SGD
Retailer 4$3,976 SGD
Brilliant Earth$5,280 SGD

27 data points across 4 retailers

4 retailers$693 SGD to $5,280 SGD

A
Cheapest Retailer
-
$693 SGD
$542 USD
Final sale: no returns
A
Retailer 2
-
$1,315 SGD
£810 GBP
View
B
Retailer 3
-
$3,976 SGD
$3,110 USD
View
Most Expensive
B
Brilliant Earth
21623000A · Oct 30
$5,280 SGD
$4,130 USD
View
3 more retailers have this diamond
Prices start from $693 SGDSave up to $4,587 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
3.98ct Marquise
$693 SGD