Marquise|Lab Grown|IGI

1.28ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG843629650

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843629650

Diamond specifications and retailer prices

From $234 USD
As of November 4, 2026
Save $1,776 USD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,010 USD at Do Amore Diamonds · As of November 4, 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 LG843629650 or 843629650. Listed at 10 retailers as of November 4, 2026, with prices from $234 to $2,010, a $1,776 spread on the same certified stone. Do Amore Diamonds lists it at $2,010. 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 angle33.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843629650
Dimensions11.57 × 5.77 × 3.58 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.57 mm5.77 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843629650
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.0%

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: Nov 4
Current: $2,010 USD|Low: $234 USD|High: $2,010 USD|Avg: $783 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 5$234 USD
Retailer 9$348 USD
Retailer 2$349 USD
Retailer 8$480 USD
Retailer 3$534 USD
Retailer 7$837 USD
Retailer 4$1,092 USD
Retailer 10$1,127 USD
Retailer 6$1,148 USD
Do Amore Diamonds$2,010 USD

3 data points across 10 retailers

10 retailers$234 USD to $2,010 USD

A
Cheapest Retailer
-
$234 USD
Final sale: no returns
B+
Retailer 2
-
$348 USD
View
A
Retailer 3
-
$349 USD
View
A
Retailer 4
-
$480 USD
View
A
Retailer 5
-
$534 USD
View
B+
Retailer 6
-
$837 USD
View
B
Retailer 7
-
$1,092 USD
View
B
Retailer 8
-
$1,127 USD
View
B
Retailer 9
-
$1,148 USD
View
Most Expensive
B
Do Amore Diamonds
27-9BC2D74F4 · Nov 4
$2,010 USD
View
9 more retailers have this diamond
Prices start from $234 USDSave up to $1,776 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
$234 USD