Marquise|Lab Grown|IGI

1.28ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG843637980

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843637980

Diamond specifications and retailer prices

From $358 USD
As of October 30, 2026
Save $1,078 USD (75%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,436 USD at Michael Trio · As of October 30, 2026
View at Michael Trio

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 LG843637980 or 843637980. Listed at 8 retailers as of October 30, 2026, with prices from $358 to $1,436, a $1,078 spread on the same certified stone. Michael Trio lists it at $1,436. 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
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843637980
Dimensions10.96 × 5.60 × 3.56 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.96 mm5.60 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843637980
Side View
Table 60.0%Crown 37.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.6%

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 30
Current: $1,436 USD|Low: $358 USD|High: $1,448 USD|Avg: $795 USD|-0.8%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3$358 USD
Retailer 4$485 USD
Retailer 8$587 USD
Retailer 6$616 USD
Retailer 2$897 USD
Retailer 5$907 USD
Retailer 7$1,067 USD
Michael Trio$1,436 USD

3 data points across 8 retailers

8 retailers$358 USD to $1,436 USD

B+
Cheapest Retailer
-
$358 USD
A
Retailer 2
-
$485 USD
£382 GBP
View
B+
Retailer 3
-
$587 USD
View
B+
Retailer 4
-
$616 USD
View
B+
Retailer 5
-
$897 USD
View
B+
Retailer 6
-
$907 USD
View
B
Retailer 7
-
$1,067 USD
£840 GBP
View
Most Expensive
B
Michael Trio
1471274854 · Oct 30
$1,436 USD
SGD 1,941 SGD
View
7 more retailers have this diamond
Prices start from $358 USDSave up to $1,078 USD

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
$358 USD