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Marquise|Lab Grown|IGI

1.81ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG818654393

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818654393

Diamond specifications and retailer prices

From $2,022 SGD
$1,582 USD
As of November 1, 2026
Save $4,744 SGD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,767 SGD at With Clarity · As of November 2, 2026
View at With Clarity

About this 1.81ct lab-grown marquise diamond

This 1.81ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654393 or 818654393. Listed at 14 retailers as of November 1, 2026, with prices from $2,022 to $6,767, a $4,744 spread on the same certified stone. With Clarity lists it at $6,767. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654393
Dimensions12.71 × 6.37 × 3.96 mm
L/W Ratio2.00
Girdle conditionFaceted
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
12.71 mm6.37 mm1.81 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654393
Side View
Table 60.0%Crown 33.7°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,563 SGD|Low: $1,932 SGD|High: $6,631 SGD|Avg: $4,052 SGD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 2, 2026
Retailer 13$2,022 SGD
Retailer 4$2,160 SGD
Retailer 2$2,173 SGD
Retailer 12$2,558 SGD
Retailer 1$2,563 SGD
Retailer 11$2,665 SGD
Retailer 9$2,844 SGD
Retailer 10$4,001 SGD
Retailer 3$4,582 SGD
Retailer 6$5,676 SGD
Retailer 8$5,676 SGD
Retailer 5$6,189 SGD
Retailer 7$6,334 SGD
With Clarity$6,631 SGD

41 data points across 14 retailers

14 retailers$2,022 SGD to $6,767 SGD

A
Cheapest Retailer
-
$2,022 SGD
$1,582 USD
A
Retailer 2
-
$2,160 SGD
HK$13,200 HKD
View
A
Retailer 3
-
$2,173 SGD
$1,700 USD
View
A
Retailer 4
-
$2,558 SGD
A$3,078 AUD
View
A
Retailer 5
-
$2,563 SGD
£1,579 GBP
View
B+
Retailer 6
-
$2,665 SGD
$2,085 USD
View
B+
Retailer 7
-
$2,844 SGD
€2,119 EUR
View
B+
Retailer 8
-
$4,001 SGD
$3,130 USD
View
Retailer 9
-
$4,582 SGD
$3,584 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$5,676 SGD
£3,496 GBP
View
B
Retailer 11
-
$5,676 SGD
$4,440 USD
View
B
Retailer 12
-
$6,189 SGD
$4,841 USD
View
B
Retailer 13
-
$6,334 SGD
A$7,623 AUD
View
Most Expensive
B
With Clarity
818654393 · Nov 2
$6,767 SGD
$5,293 USD
View
13 more retailers have this diamond
Prices start from $2,022 SGDSave up to $4,744 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
1.81ct Marquise
$2,022 SGD