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Marquise|Lab Grown|IGI

1.43ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG775636855

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG775636855

Diamond specifications and retailer prices

From $295 USD
As of October 28, 2026
Save $1,615 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,910 USD at Do Amore Diamonds · As of October 26, 2026
View at Do Amore Diamonds

About this 1.43ct lab-grown marquise diamond

This 1.43ct 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 LG775636855 or 775636855. Listed at 14 retailers as of October 26, 2026, with prices from $295 to $1,910, a $1,615 spread on the same certified stone. Do Amore Diamonds lists it at $1,910. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775636855
Dimensions5.92 × 5.92 × 3.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
5.92 mm5.92 mm1.43 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775636855
Side View
Table 61.0%Crown 35.9°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 64.9%

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 28
Current: $1,910 USD|Low: $295 USD|High: $1,910 USD|Avg: $662 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
October 28, 2026
Retailer 4$295 USD
Retailer 3$332 USD
Retailer 13$342 USD
Retailer 8$434 USD
Retailer 14$441 USD
Retailer 17$461 USD
Retailer 7$507 USD
Retailer 5$560 USD
Retailer 9$579 USD
Retailer 12$798 USD
Retailer 2$825 USD
Retailer 10$867 USD
Retailer 18$892 USD
Retailer 6$915 USD
Retailer 11$1,018 USD
Retailer 15$1,096 USD
Retailer 16$1,520 USD
Do Amore Diamonds$1,910 USD

15 data points across 18 retailers

14 retailers$295 USD to $1,910 USD

A
Cheapest Retailer
-
$295 USD
B+
Retailer 2
-
$332 USD
View
A
Retailer 3
-
$342 USD
£269 GBP
View
A
Retailer 4
-
$441 USD
€420 EUR
View
A
Retailer 5
-
$461 USD
View
A
Retailer 6
-
$560 USD
View
B
Retailer 7
-
$798 USD
View
B+
Retailer 8
-
$825 USD
View
B+
Retailer 9
-
$892 USD
View
B
Retailer 10
-
$915 USD
A$1,408 AUD
View
Price last confirmed 21 days ago
B
Retailer 11
-
$1,018 USD
View
B
Retailer 12
-
$1,096 USD
£863 GBP
View
B
Retailer 13
-
$1,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-5097D74A4 · Oct 26
$1,910 USD
View
13 more retailers have this diamond
Prices start from $295 USDSave up to $1,615 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
1.43ct Marquise
$295 USD