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Marquise|Lab Grown|IGI

0.66ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG821694681

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821694681

Diamond specifications and retailer prices

From $419 SGD
$328 USD
As of November 1, 2026
Save $1,005 SGD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,424 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 0.66ct lab-grown marquise diamond

This 0.66ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821694681 or 821694681. Listed at 9 retailers as of November 1, 2026, with prices from $419 to $1,424, a $1,005 spread on the same certified stone. MOH London lists it at $1,424. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.66
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821694681
Dimensions9.02 × 4.60 × 2.80 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizeNone
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.02 mm4.60 mm0.66 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821694681
Side View
Table 56.0%Crown 33.4°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,424 SGD|Low: $416 SGD|High: $1,556 SGD|Avg: $822 SGD|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 4$419 SGD
Retailer 5$522 SGD
Retailer 2$549 SGD
Retailer 7$559 SGD
Retailer 6$595 SGD
Retailer 9$908 SGD
Retailer 3$1,049 SGD
Retailer 8$1,125 SGD
MOH London$1,424 SGD

43 data points across 9 retailers

9 retailers$419 SGD to $1,424 SGD

A
Cheapest Retailer
-
$419 SGD
$328 USD
A
Retailer 2
-
$522 SGD
€389 EUR
View
A
Retailer 3
-
$549 SGD
£338 GBP
View
A
Retailer 4
-
$559 SGD
$437 USD
View
A
Retailer 5
-
$595 SGD
$465 USD
View
B+
Retailer 6
-
$908 SGD
$710 USD
View
B+
Retailer 7
-
$1,049 SGD
$820 USD
View
Retailer 8
-
$1,125 SGD
A$1,353 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG821694681 · Nov 2
$1,424 SGD
£877 GBP
View
8 more retailers have this diamond
Prices start from $419 SGDSave up to $1,005 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
0.66ct Marquise
$419 SGD