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Marquise|Lab Grown|IGI

1.28ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG843612889

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843612889

Diamond specifications and retailer prices

From $295 SGD
$231 USD
As of October 30, 2026
Save $1,750 SGD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,045 SGD at Do Amore Diamonds · As of October 31, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843612889 or 843612889. Listed at 11 retailers as of October 30, 2026, with prices from $295 to $2,045, a $1,750 spread on the same certified stone. Do Amore Diamonds lists it at $2,045. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843612889
Dimensions11.21 × 5.60 × 3.52 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm5.60 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843612889
Side View
Table 59.0%Crown 34.4°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,045 SGD|Low: $295 SGD|High: $2,045 SGD|Avg: $951 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9$295 SGD
Retailer 3$442 SGD
Retailer 6$456 SGD
Retailer 7$479 SGD
Retailer 2$673 SGD
Retailer 11$805 SGD
Retailer 4$1,061 SGD
Retailer 10$1,386 SGD
Retailer 8$1,463 SGD
Retailer 5$1,556 SGD
Do Amore Diamonds$2,045 SGD

4 data points across 11 retailers

11 retailers$295 SGD to $2,045 SGD

A
Cheapest Retailer
-
$295 SGD
$231 USD
Final sale: no returns
B+
Retailer 2
-
$442 SGD
$346 USD
View
A
Retailer 3
-
$456 SGD
£281 GBP
View
A
Retailer 4
-
$479 SGD
$375 USD
View
A
Retailer 5
-
$673 SGD
£414 GBP
View
B+
Retailer 6
-
$805 SGD
$630 USD
View
B
Retailer 7
-
$1,061 SGD
$830 USD
View
B
Retailer 8
-
$1,386 SGD
$1,084 USD
View
B
Retailer 9
-
$1,463 SGD
£901 GBP
View
B
Retailer 10
-
$1,556 SGD
$1,217 USD
View
Most Expensive
B
Do Amore Diamonds
36-2097329 · Oct 31
$2,045 SGD
$1,600 USD
View
10 more retailers have this diamond
Prices start from $295 SGDSave up to $1,750 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
$295 SGD