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Marquise|Lab Grown|IGI

1.28ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG833633809

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833633809

Diamond specifications and retailer prices

From $795 SGD
As of November 4, 2026
15 retailers carry this diamond
Most expensive: $2,006 SGD at Brilliant Earth · As of October 8, 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 LG833633809 or 833633809. Listed at 15 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 angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833633809
Dimensions11.35 × 5.62 × 3.45 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.35 mm5.62 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833633809
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,006 SGD|Low: $326 SGD|High: $2,006 SGD|Avg: $1,028 SGD
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 9, 2026
Retailer 18$330 SGD
Retailer 8$368 SGD
Retailer 17$409 SGD
Retailer 19$409 SGD
Retailer 14$639 SGD
Retailer 2$681 SGD
Retailer 15$698 SGD
Retailer 5$700 SGD
Retailer 13$760 SGD
Retailer 10$795 SGD
Retailer 6$842 SGD
Retailer 12$1,022 SGD
Retailer 21$1,146 SGD
Retailer 20$1,314 SGD
Retailer 7$1,379 SGD
Retailer 3$1,425 SGD
Retailer 9$1,436 SGD
Retailer 16$1,480 SGD
Retailer 11$1,707 SGD
Retailer 4$1,761 SGD
Brilliant Earth$2,006 SGD

18 data points across 21 retailers

15 retailers

Retailer 1
-
$330 SGD
Price last confirmed 28 days ago
Retailer 2
-
$394 SGD
View
Price last confirmed 37 days ago
Retailer 3
-
$409 SGD
View
Price last confirmed 28 days ago
Retailer 4
-
$409 SGD
View
Price last confirmed 28 days ago
Retailer 5
-
$681 SGD
View
Price last confirmed 27 days ago
Retailer 6
-
$698 SGD
View
Price last confirmed 28 days ago
B+
Retailer 7
-
$795 SGD
View
Retailer 8
-
$1,022 SGD
View
Price last confirmed 39 days ago
Retailer 9
-
$1,314 SGD
View
Price last confirmed 28 days ago
Retailer 10
-
$1,379 SGD
View
Price last confirmed 28 days ago
Retailer 11
-
$1,425 SGD
View
Price last confirmed 29 days ago
Retailer 12
-
$1,480 SGD
View
Price last confirmed 28 days ago
Retailer 13
-
$1,707 SGD
View
Price last confirmed 31 days ago
Retailer 14
-
$1,761 SGD
View
Price last confirmed 27 days ago
Most Expensive
Brilliant Earth
21145779A · Oct 8
$2,006 SGD
$1,570 USD
View
Price last confirmed 27 days ago
14 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