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Marquise|Lab Grown|IGI

1.28ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG805640692

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805640692

Diamond specifications and retailer prices

From $795 SGD
As of November 4, 2026
21 retailers carry this diamond
Most expensive: $2,006 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805640692 or 805640692. Listed at 21 retailers as of November 4, 2026. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805640692
Dimensions11.13 × 5.67 × 3.50 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.13 mm5.67 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805640692
Side View
Table 61.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $2,006 SGD|Low: $305 SGD|High: $2,006 SGD|Avg: $950 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 23
October 28, 2026
Retailer 4$305 SGD
Retailer 14$340 SGD
Retailer 10$354 SGD
Retailer 20$378 SGD
Retailer 23$378 SGD
Retailer 9$511 SGD
Retailer 11$601 SGD
Retailer 17$649 SGD
Retailer 19$653 SGD
Retailer 5$688 SGD
Retailer 13$712 SGD
Retailer 16$795 SGD
Retailer 6$833 SGD
Retailer 18$923 SGD
Retailer 22$1,215 SGD
Retailer 3$1,220 SGD
Retailer 7$1,282 SGD
Retailer 12$1,316 SGD
Retailer 2$1,406 SGD
Retailer 15$1,480 SGD
Retailer 21$1,517 SGD
Retailer 8$1,682 SGD
Brilliant Earth$2,006 SGD

28 data points across 23 retailers

21 retailers

Retailer 1
-
$305 SGD
Price last confirmed 9 days ago
Retailer 2
-
$354 SGD
View
Price last confirmed 8 days ago
Retailer 3
-
$378 SGD
View
Price last confirmed 11 days ago
Retailer 4
-
$378 SGD
View
Price last confirmed 11 days ago
Retailer 5
-
$511 SGD
View
Price last confirmed 8 days ago
Retailer 6
-
$649 SGD
View
Price last confirmed 8 days ago
Retailer 7
-
$653 SGD
View
Price last confirmed 9 days ago
Retailer 8
-
$688 SGD
View
Price last confirmed 7 days ago
Retailer 9
-
$712 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$795 SGD
View
Retailer 11
-
$833 SGD
View
Price last confirmed 9 days ago
Retailer 12
-
$923 SGD
View
Price last confirmed 9 days ago
Retailer 13
-
$1,215 SGD
View
Price last confirmed 11 days ago
Retailer 14
-
$1,220 SGD
View
Price last confirmed 10 days ago
Retailer 15
-
$1,282 SGD
View
Price last confirmed 8 days ago
Retailer 16
-
$1,316 SGD
View
Price last confirmed 8 days ago
Retailer 17
-
$1,406 SGD
View
Price last confirmed 8 days ago
Retailer 18
-
$1,480 SGD
View
Price last confirmed 28 days ago
Retailer 19
-
$1,517 SGD
View
Price last confirmed 10 days ago
Retailer 20
-
$1,682 SGD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
20176319A · Oct 28
$2,006 SGD
$1,570 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from $795 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.

B+
1.28ct Marquise
$795 SGD