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Marquise|Lab Grown|IGI

1.28ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG768632050

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768632050

Diamond specifications and retailer prices

From $384 SGD
As of November 4, 2026
Save $3,026 SGD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,410 SGD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

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 LG768632050 or 768632050. Listed at 16 retailers as of November 4, 2026, with prices from $384 to $3,410, a $3,026 spread on the same certified stone. Do Amore Diamonds lists it at $3,410. 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 angle34.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632050
Dimensions10.95 × 5.70 × 3.49 mm
L/W Ratio1.92
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
10.95 mm5.70 mm1.28 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632050
Side View
Table 55.0%Crown 34.3°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
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: $3,410 SGD|Low: $384 SGD|High: $4,471 SGD|Avg: $1,678 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
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 13$384 SGD
Retailer 4$446 SGD
Retailer 8$488 SGD
Retailer 14$681 SGD
Retailer 6$703 SGD
Retailer 16$780 SGD
Retailer 7$884 SGD
Retailer 11$897 SGD
Retailer 12$1,010 SGD
Retailer 15$1,465 SGD
Retailer 3$1,483 SGD
Retailer 17$1,692 SGD
Retailer 2$2,104 SGD
Retailer 10$2,657 SGD
Retailer 5$3,225 SGD
Do Amore Diamonds$3,410 SGD
Retailer 9$3,621 SGD

28 data points across 17 retailers

16 retailers$384 SGD to $3,410 SGD

A+
Cheapest Retailer
-
$384 SGD
A
Retailer 2
-
$446 SGD
View
A
Retailer 3
-
$488 SGD
View
Final sale: no returns
A
Retailer 4
-
$681 SGD
View
A
Retailer 5
-
$703 SGD
View
A
Retailer 6
-
$780 SGD
View
A
Retailer 7
-
$884 SGD
View
Retailer 8
-
$897 SGD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$1,010 SGD
View
B+
Retailer 10
-
$1,465 SGD
View
B+
Retailer 11
-
$1,483 SGD
View
B+
Retailer 12
-
$1,692 SGD
View
B+
Retailer 13
-
$2,104 SGD
View
B+
Retailer 14
-
$2,657 SGD
View
Retailer 15
-
$3,225 SGD
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-C6D052B2D · Nov 5
$3,410 SGD
$2,670 USD
View
15 more retailers have this diamond
Prices start from $384 SGDSave up to $3,026 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
$384 SGD