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Marquise|Lab Grown|IGI

1.28ct G VS1 Marquise Lab Grown Diamond

GD • G/VS1 • IGI LG851604790

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851604790

Diamond specifications and retailer prices

From $264 SGD
As of November 4, 2026
Save $1,287 SGD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,552 SGD at Reve Diamonds · As of November 4, 2026
View at Reve 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG851604790 or 851604790. Listed at 20 retailers as of November 4, 2026, with prices from $264 to $1,552, a $1,287 spread on the same certified stone. Reve Diamonds lists it at $1,552. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851604790
Dimensions11.09 × 5.71 × 3.54 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.09 mm5.71 mm1.28 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851604790
Side View
Table 61.0%Crown 35.3°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.0%

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: $400 SGD|Low: $264 SGD|High: $1,552 SGD|Avg: $713 SGD|-0.3%
Retailer 1
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Retailer 19
Reve Diamonds
November 4, 2026
Retailer 18$264 SGD
Retailer 7$295 SGD
Retailer 17$307 SGD
Retailer 6$327 SGD
Retailer 8$359 SGD
Retailer 1$400 SGD
Retailer 10$531 SGD
Retailer 5$565 SGD
Retailer 13$565 SGD
Retailer 12$596 SGD
Retailer 3$622 SGD
Retailer 2$642 SGD
Retailer 19$800 SGD
Retailer 15$801 SGD
Retailer 16$875 SGD
Retailer 9$1,052 SGD
Retailer 11$1,061 SGD
Retailer 4$1,120 SGD
Retailer 14$1,312 SGD
Reve Diamonds$1,552 SGD

11 data points across 20 retailers

20 retailers$264 SGD to $1,552 SGD

A
Cheapest Retailer
-
$264 SGD
A
Retailer 2
-
$295 SGD
View
Final sale: no returns
A
Retailer 3
-
$307 SGD
View
A
Retailer 4
-
$327 SGD
View
A
Retailer 5
-
$359 SGD
View
A
Retailer 6
-
$400 SGD
View
Retailer 7
-
$531 SGD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$565 SGD
View
B+
Retailer 9
-
$565 SGD
View
B+
Retailer 10
-
$596 SGD
View
B+
Retailer 11
-
$622 SGD
View
B+
Retailer 12
-
$642 SGD
View
Retailer 13
-
$800 SGD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$801 SGD
View
B
Retailer 15
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$875 SGD
View
B
Retailer 16
-
$1,052 SGD
View
B
Retailer 17
-
$1,061 SGD
View
B
Retailer 18
-
$1,120 SGD
View
B
Retailer 19
-
$1,312 SGD
View
Most Expensive
C
Reve Diamonds
DC53B7734 · Nov 4
$1,552 SGD
$1,215 USD
View
19 more retailers have this diamond
Prices start from $264 SGDSave up to $1,287 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
$264 SGD