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Marquise|Lab Grown|IGI

1.91ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG818623828

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818623828

Diamond specifications and retailer prices

From $1,292 SGD
$1,011 USD
As of October 30, 2026
Save $10,188 SGD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $11,480 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818623828 or 818623828. Listed at 22 retailers as of October 29, 2026, with prices from $1,292 to $11,480, a $10,188 spread on the same certified stone. Do Amore Diamonds lists it at $11,480. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818623828
Dimensions12.59 × 6.58 × 4.13 mm
L/W Ratio1.91
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
12.59 mm6.58 mm1.91 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818623828
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
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: Oct 30
Current: $11,480 SGD|Low: $1,292 SGD|High: $13,091 SGD|Avg: $3,787 SGD|-12.3%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 10$1,292 SGD
Retailer 18$1,406 SGD
Retailer 6$1,448 SGD
Retailer 5$1,500 SGD
Retailer 15$1,726 SGD
Retailer 20$1,755 SGD
Retailer 21$2,109 SGD
Retailer 2$2,399 SGD
Retailer 16$2,511 SGD
Retailer 13$3,043 SGD
Retailer 12$3,103 SGD
Retailer 19$3,135 SGD
Retailer 7$3,482 SGD
Retailer 3$3,899 SGD
Retailer 8$4,578 SGD
Retailer 9$4,656 SGD
Retailer 4$4,788 SGD
Retailer 17$5,325 SGD
Retailer 14$5,337 SGD
Retailer 11$5,884 SGD
Do Amore Diamonds$11,480 SGD

33 data points across 21 retailers

22 retailers$1,292 SGD to $11,480 SGD

A
Cheapest Retailer
-
$1,292 SGD
$1,011 USD
A
Retailer 2
-
$1,406 SGD
$1,100 USD
View
A
Retailer 3
-
$1,448 SGD
$1,133 USD
View
Final sale: no returns
A
Retailer 4
-
$1,500 SGD
$1,173 USD
View
Retailer 5
-
$1,500 SGD
$1,173 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,726 SGD
$1,350 USD
View
A
Retailer 7
-
$1,755 SGD
$1,373 USD
View
A
Retailer 8
-
$2,109 SGD
$1,650 USD
View
A
Retailer 9
-
$2,399 SGD
£1,478 GBP
View
A
Retailer 10
-
$2,511 SGD
€1,871 EUR
View
B+
Retailer 11
-
$3,043 SGD
ZAR 38,455 ZAR
View
B+
Retailer 12
-
$3,103 SGD
$2,427 USD
View
B+
Retailer 13
-
$3,135 SGD
$2,452 USD
View
B+
Retailer 14
-
$3,482 SGD
$2,724 USD
View
B+
Retailer 15
-
$3,899 SGD
$3,050 USD
View
B+
Retailer 16
-
$4,578 SGD
£2,820 GBP
View
B+
Retailer 17
-
$4,656 SGD
$3,642 USD
View
B+
Retailer 18
-
$4,788 SGD
$3,746 USD
View
B+
Retailer 19
-
$5,325 SGD
£3,280 GBP
View
B
Retailer 20
-
$5,337 SGD
$4,175 USD
View
B
Retailer 21
-
$5,884 SGD
$4,602 USD
View
Most Expensive
B
Do Amore Diamonds
27-0B70763D2 · Oct 29
$11,480 SGD
$8,980 USD
View
21 more retailers have this diamond
Prices start from $1,292 SGDSave up to $10,188 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
1.91ct Marquise
$1,292 SGD