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Marquise|Lab Grown|IGI

1.61ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG838655234

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838655234

Diamond specifications and retailer prices

From $341 SGD
$267 USD
As of November 1, 2026
Save $1,091 SGD (76%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,624 SGD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.61ct lab-grown marquise diamond

This 1.61ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838655234 or 838655234. Listed at 4 retailers as of November 1, 2026, with a 319% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838655234
Dimensions12.01 × 5.99 × 3.89 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
12.01 mm5.99 mm1.61 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838655234
Side View
Table 56.0%Crown 37.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,624 SGD|Low: $341 SGD|High: $1,752 SGD|Avg: $1,170 SGD|-7.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4$341 SGD
Retailer 2$743 SGD
Retailer 3$1,432 SGD
Brilliant Earth$1,624 SGD

33 data points across 4 retailers

4 retailers$341 SGD to $1,432 SGD

A
Cheapest Retailer
-
$341 SGD
$267 USD
Final sale: no returns
A
Retailer 2
-
$743 SGD
£458 GBP
View
B
Retailer 3
-
$1,432 SGD
$1,120 USD
View
Most Expensive
Brilliant Earth
21538530A · Oct 18
$1,624 SGD
$1,270 USD
View
Price last confirmed 15 days ago
3 more retailers have this diamond
Prices start from $341 SGDSave up to $1,091 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
1.61ct Marquise
$341 SGD