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Marquise|Lab Grown|IGI

1.28ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG800677048

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800677048

Diamond specifications and retailer prices

From $385 SGD
As of November 4, 2026
Save $3,027 SGD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,412 SGD at Do Amore Diamonds · As of November 3, 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 LG800677048 or 800677048. Listed at 15 retailers as of November 3, 2026, with prices from $385 to $3,412, a $3,027 spread on the same certified stone. Do Amore Diamonds lists it at $3,412. 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 angle36°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677048
Dimensions11.08 × 5.63 × 3.58 mm
L/W Ratio1.97
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
11.08 mm5.63 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677048
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 63.6%

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: $3,412 SGD|Low: $385 SGD|High: $3,872 SGD|Avg: $1,459 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
November 4, 2026
Retailer 11$385 SGD
Retailer 3$446 SGD
Retailer 7$488 SGD
Retailer 2$541 SGD
Retailer 12$681 SGD
Retailer 5$703 SGD
Retailer 14$781 SGD
Retailer 6$884 SGD
Retailer 9$893 SGD
Retailer 13$1,466 SGD
Retailer 15$1,693 SGD
Retailer 8$2,110 SGD
Retailer 10$2,760 SGD
Retailer 4$3,227 SGD
Do Amore Diamonds$3,412 SGD

39 data points across 15 retailers

15 retailers$385 SGD to $3,412 SGD

A+
Cheapest Retailer
-
$385 SGD
A
Retailer 2
-
$446 SGD
View
A
Retailer 3
-
$488 SGD
View
Final sale: no returns
A
Retailer 4
-
$541 SGD
View
A
Retailer 5
-
$681 SGD
View
A
Retailer 6
-
$703 SGD
View
A
Retailer 7
-
$781 SGD
View
A
Retailer 8
-
$884 SGD
View
A
Retailer 9
-
$893 SGD
View
B+
Retailer 10
-
$1,466 SGD
View
B+
Retailer 11
-
$1,693 SGD
View
B+
Retailer 12
-
$2,110 SGD
View
B+
Retailer 13
-
$2,760 SGD
View
Retailer 14
-
$3,227 SGD
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
27-ED9C30612 · Nov 3
$3,412 SGD
$2,670 USD
View
14 more retailers have this diamond
Prices start from $385 SGDSave up to $3,027 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
$385 SGD