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Marquise|Lab Grown|IGI

1.28ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG768629325

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768629325

Diamond specifications and retailer prices

From $751 SGD
As of November 4, 2026
Save $2,821 SGD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,572 SGD at MOH London · As of November 1, 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 LG768629325 or 768629325. Listed at 14 retailers as of November 1, 2026, with prices from $751 to $3,572, a $2,821 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629325
Dimensions11.82 × 5.54 × 3.45 mm
L/W Ratio2.13
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
11.82 mm5.54 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629325
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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: Nov 4
Current: $3,572 SGD|Low: $751 SGD|High: $4,332 SGD|Avg: $2,049 SGD|-16.3%
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$751 SGD
Retailer 8$799 SGD
Retailer 6$915 SGD
Retailer 9$1,008 SGD
Retailer 4$1,062 SGD
Retailer 10$1,295 SGD
Retailer 13$1,312 SGD
Retailer 12$1,476 SGD
Retailer 14$1,526 SGD
Retailer 11$2,019 SGD
Retailer 5$2,675 SGD
Retailer 7$2,760 SGD
Retailer 3$3,227 SGD
MOH London$3,572 SGD

40 data points across 14 retailers

14 retailers$751 SGD to $3,572 SGD

A
Cheapest Retailer
-
$751 SGD
A
Retailer 2
-
$799 SGD
View
A
Retailer 3
-
$915 SGD
View
A
Retailer 4
-
$1,008 SGD
View
A
Retailer 5
-
$1,062 SGD
View
A
Retailer 6
-
$1,295 SGD
View
A
Retailer 7
-
$1,312 SGD
View
B+
Retailer 8
-
$1,476 SGD
View
B+
Retailer 9
-
$1,526 SGD
View
B+
Retailer 10
-
$2,019 SGD
View
B
Retailer 11
-
$2,675 SGD
View
B
Retailer 12
-
$2,760 SGD
View
Retailer 13
-
$3,227 SGD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
LG768629325 · Nov 1
$3,572 SGD
£2,201 GBP
View
13 more retailers have this diamond
Prices start from $751 SGDSave up to $2,821 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
$751 SGD