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Marquise|Lab Grown|IGI

1.28ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG843654853

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843654853

Diamond specifications and retailer prices

From $491 SGD
HK$3,000 HKD
As of October 26, 2026
Save $2,079 SGD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,570 SGD at Do Amore Diamonds · As of October 26, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843654853 or 843654853. Listed at 9 retailers as of October 26, 2026, with prices from $491 to $2,570, a $2,079 spread on the same certified stone. Do Amore Diamonds lists it at $2,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843654853
Dimensions11.56 × 5.72 × 3.53 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
11.56 mm5.72 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843654853
Side View
Table 58.0%Crown 36.4°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
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: Oct 26
Current: $2,570 SGD|Low: $409 SGD|High: $2,570 SGD|Avg: $1,084 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 24, 2026
Retailer 7$491 SGD
Retailer 5$570 SGD
Retailer 2$626 SGD
Retailer 3$892 SGD
Retailer 6$1,070 SGD
Retailer 8$1,151 SGD
Retailer 9$1,292 SGD
Retailer 10$1,362 SGD
Retailer 4$1,509 SGD
Do Amore Diamonds$2,570 SGD

8 data points across 10 retailers

9 retailers$491 SGD to $2,570 SGD

A
Cheapest Retailer
-
$491 SGD
HK$3,000 HKD
A
Retailer 2
-
$570 SGD
$446 USD
View
A
Retailer 3
-
$626 SGD
$490 USD
View
B+
Retailer 4
-
$892 SGD
A$1,074 AUD
View
B+
Retailer 5
-
$1,070 SGD
$837 USD
View
Retailer 6
-
$1,151 SGD
$900 USD
View
Price last confirmed 17 days ago
Retailer 7
-
$1,362 SGD
A$1,639 AUD
View
Price last confirmed 23 days ago
B
Retailer 8
-
$1,509 SGD
$1,180 USD
View
Most Expensive
B
Do Amore Diamonds
27-D79197E75 · Oct 26
$2,570 SGD
$2,010 USD
View
8 more retailers have this diamond
Prices start from $491 SGDSave up to $2,079 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
$491 SGD