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Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG828684821

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828684821

Diamond specifications and retailer prices

From $335 SGD
As of November 4, 2026
Save $1,502 SGD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,976 SGD at Do Amore Diamonds · As of November 4, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828684821 or 828684821. Listed at 19 retailers as of November 3, 2026, with a 449% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828684821
Dimensions10.81 × 5.79 × 3.67 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.81 mm5.79 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828684821
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.4%

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: Nov 4
Current: $2,976 SGD|Low: $335 SGD|High: $2,976 SGD|Avg: $1,071 SGD
Do Amore Diamonds
Retailer 2
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Retailer 21
November 5, 2026
Retailer 4$335 SGD
Retailer 11$374 SGD
Retailer 20$388 SGD
Retailer 3$415 SGD
Retailer 7$415 SGD
Retailer 10$526 SGD
Retailer 18$616 SGD
Retailer 16$619 SGD
Retailer 5$692 SGD
Retailer 2$798 SGD
Retailer 8$835 SGD
Retailer 17$952 SGD
Retailer 13$1,124 SGD
Retailer 19$1,276 SGD
Retailer 9$1,474 SGD
Retailer 21$1,606 SGD
Retailer 12$1,685 SGD
Retailer 6$1,774 SGD
Retailer 14$1,801 SGD
Retailer 15$1,837 SGD
Do Amore Diamonds$2,976 SGD

26 data points across 21 retailers

19 retailers$335 SGD to $1,837 SGD

A
Cheapest Retailer
-
$335 SGD
A
Retailer 2
-
$374 SGD
View
Final sale: no returns
A
Retailer 3
-
$388 SGD
View
Retailer 4
-
$415 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$415 SGD
View
A
Retailer 6
-
$526 SGD
View
A
Retailer 7
-
$619 SGD
View
A
Retailer 8
-
$692 SGD
View
B+
Retailer 9
-
$798 SGD
View
B+
Retailer 10
-
$835 SGD
View
Retailer 11
-
$952 SGD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$1,124 SGD
View
B
Retailer 13
-
$1,276 SGD
View
B
Retailer 14
-
$1,474 SGD
View
B
Retailer 15
-
$1,606 SGD
View
B
Retailer 16
-
$1,685 SGD
View
B
Retailer 17
-
$1,774 SGD
View
B
Retailer 18
-
$1,837 SGD
View
Most Expensive
Do Amore Diamonds
27-DA1C3A00D · Nov 4
$2,976 SGD
$2,330 USD
View
Price under review
18 more retailers have this diamond
Prices start from $335 SGDSave up to $1,502 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
$335 SGD