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Marquise|Lab Grown|IGI

1.28ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662708

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662708

Diamond specifications and retailer prices

From $654 SGD
As of November 4, 2026
Save $2,918 SGD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,572 SGD at MOH London · As of November 3, 2026
View at MOH London

About this 1.28ct lab-grown marquise diamond

This 1.28ct 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 LG780662708 or 780662708. Listed at 14 retailers as of November 3, 2026, with prices from $654 to $3,572, a $2,918 spread on the same certified stone. MOH London lists it at $3,572. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662708
Dimensions11.19 × 5.69 × 3.58 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
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
11.19 mm5.69 mm1.28 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662708
Side View
Table 61.0%Crown 35°Girdle: MED-THKPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $3,572 SGD|Low: $654 SGD|High: $4,383 SGD|Avg: $2,094 SGD|-15.4%
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
November 4, 2026
Retailer 2$654 SGD
Retailer 8$799 SGD
Retailer 9$1,008 SGD
Retailer 4$1,122 SGD
Retailer 5$1,211 SGD
Retailer 11$1,295 SGD
Retailer 14$1,312 SGD
Retailer 13$1,476 SGD
Retailer 3$1,518 SGD
Retailer 12$1,871 SGD
Retailer 10$2,172 SGD
Retailer 6$3,271 SGD
Retailer 7$3,553 SGD
MOH London$3,572 SGD

42 data points across 14 retailers

14 retailers$654 SGD to $3,572 SGD

A
Cheapest Retailer
-
$654 SGD
A
Retailer 2
-
$799 SGD
View
A
Retailer 3
-
$1,008 SGD
View
A
Retailer 4
-
$1,122 SGD
View
B+
Retailer 5
-
$1,211 SGD
View
B+
Retailer 6
-
$1,295 SGD
View
A
Retailer 7
-
$1,312 SGD
View
B+
Retailer 8
-
$1,476 SGD
View
B+
Retailer 9
-
$1,518 SGD
View
B+
Retailer 10
-
$1,871 SGD
View
B+
Retailer 11
-
$2,172 SGD
View
Retailer 12
-
$3,271 SGD
View
Price last confirmed 28 days ago
B
Retailer 13
-
$3,553 SGD
View
Most Expensive
B
MOH London
LG780662708 · Nov 3
$3,572 SGD
£2,201 GBP
View
13 more retailers have this diamond
Prices start from $654 SGDSave up to $2,918 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
1.28ct Marquise
$654 SGD