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Marquise|Lab Grown|IGI

1.31ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800676818

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800676818

Diamond specifications and retailer prices

From $394 SGD
As of November 4, 2026
Save $3,095 SGD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,489 SGD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.31ct lab-grown marquise diamond

This 1.31ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800676818 or 800676818. Listed at 15 retailers as of November 4, 2026, with prices from $394 to $3,489, a $3,095 spread on the same certified stone. Do Amore Diamonds lists it at $3,489. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676818
Dimensions11.36 × 5.67 × 3.58 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
11.36 mm5.67 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676818
Side View
Table 56.0%Crown 33°Girdle: Slightly ThickPavilion 40.7°Culet: NoneDepth 63.1%

Caratlytics Score

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A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,489 SGD|Low: $394 SGD|High: $4,383 SGD|Avg: $1,606 SGD|-11.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 9$394 SGD
Retailer 14$456 SGD
Retailer 6$498 SGD
Retailer 10$693 SGD
Retailer 4$716 SGD
Retailer 12$795 SGD
Retailer 8$915 SGD
Retailer 5$923 SGD
Retailer 11$1,498 SGD
Retailer 13$1,729 SGD
Retailer 2$2,155 SGD
Retailer 7$2,914 SGD
Retailer 3$2,920 SGD
Do Amore Diamonds$3,489 SGD

28 data points across 14 retailers

15 retailers$394 SGD to $3,489 SGD

A+
Cheapest Retailer
-
$394 SGD
A
Retailer 2
-
$456 SGD
View
A
Retailer 3
-
$498 SGD
View
Final sale: no returns
A
Retailer 4
-
$693 SGD
View
A
Retailer 5
-
$716 SGD
View
A
Retailer 6
-
$795 SGD
View
A
Retailer 7
-
$915 SGD
View
A
Retailer 8
-
$923 SGD
View
B+
Retailer 9
-
$1,498 SGD
View
B+
Retailer 10
-
$1,729 SGD
View
B+
Retailer 11
-
$2,155 SGD
View
Retailer 12
-
$2,882 SGD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$2,914 SGD
View
Retailer 14
-
$2,920 SGD
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-AF37410EA · Nov 4
$3,489 SGD
$2,730 USD
View
14 more retailers have this diamond
Prices start from $394 SGDSave up to $3,095 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+
1.31ct Marquise
$394 SGD