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Marquise|Lab Grown|IGI

1.25ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818677645

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818677645

Diamond specifications and retailer prices

From $811 SGD
$634 USD
As of October 31, 2026
Save $3,112 SGD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,923 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818677645 or 818677645. Listed at 21 retailers as of October 29, 2026, with prices from $811 to $3,923, a $3,112 spread on the same certified stone. MOH London lists it at $3,923. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818677645
Dimensions11.47 × 5.65 × 3.35 mm
L/W Ratio2.03
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
11.47 mm5.65 mm1.25 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818677645
Side View
Table 63.0%Crown 33.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 59.3%

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 31
Current: $3,923 SGD|Low: $687 SGD|High: $3,923 SGD|Avg: $1,838 SGD|+2.5%
MOH London
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
Retailer 15
November 1, 2026
Retailer 7$687 SGD
Retailer 14$811 SGD
Retailer 4$882 SGD
Retailer 2$1,067 SGD
Retailer 13$1,203 SGD
Retailer 11$1,379 SGD
Retailer 12$1,383 SGD
Retailer 8$1,403 SGD
Retailer 10$1,544 SGD
Retailer 9$1,902 SGD
Retailer 15$2,364 SGD
Retailer 5$2,572 SGD
Retailer 3$2,912 SGD
Retailer 6$3,388 SGD
MOH London$3,923 SGD

42 data points across 15 retailers

21 retailers$811 SGD to $3,923 SGD

Retailer 1
-
$687 SGD
$537 USD
Price last confirmed 29 days ago
Retailer 2
-
$711 SGD
$556 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$800 SGD
$626 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$811 SGD
$634 USD
View
Final sale: no returns
Retailer 5
-
$874 SGD
$684 USD
View
Price last confirmed 33 days ago
Retailer 6
-
$882 SGD
$690 USD
View
Price last confirmed 14 days ago
Retailer 7
-
$882 SGD
$690 USD
View
Price last confirmed 28 days ago
Retailer 8
-
$882 SGD
$690 USD
View
Price last confirmed 19 days ago
A
Retailer 9
-
$1,067 SGD
$835 USD
View
A
Retailer 10
-
$1,203 SGD
$941 USD
View
B+
Retailer 11
-
$1,379 SGD
€1,027 EUR
View
B+
Retailer 12
-
$1,383 SGD
$1,082 USD
View
B+
Retailer 13
-
$1,403 SGD
£864 GBP
View
B+
Retailer 14
-
$1,544 SGD
ZAR 19,516 ZAR
View
B+
Retailer 15
-
$1,902 SGD
$1,488 USD
View
Retailer 16
-
$2,331 SGD
$1,823 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
$2,364 SGD
$1,849 USD
View
Retailer 18
-
$2,572 SGD
£1,584 GBP
View
Price last confirmed 17 days ago
B
Retailer 19
-
$2,912 SGD
$2,278 USD
View
B
Retailer 20
-
$3,388 SGD
$2,650 USD
View
Most Expensive
B
MOH London
LG818677645 · Oct 29
$3,923 SGD
£2,416 GBP
View
20 more retailers have this diamond
Prices start from $811 SGDSave up to $3,112 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
1.25ct Marquise
$811 SGD