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Marquise|Lab Grown|IGI

1.43ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG800658680

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800658680

Diamond specifications and retailer prices

From $203 USD
As of October 23, 2026
Save $1,747 USD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,950 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 LG800658680 or 800658680. Listed at 14 retailers as of October 23, 2026, with prices from $203 to $1,950, a $1,747 spread on the same certified stone. Do Amore Diamonds lists it at $1,950. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800658680
Dimensions11.57 × 5.82 × 3.74 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.57 mm5.82 mm1.43 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800658680
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.3%

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 23
Current: $1,950 USD|Low: $127 USD|High: $2,210 USD|Avg: $647 USD|-11.8%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 25, 2026
Retailer 11$127 USD
Retailer 14$154 USD
Retailer 20$203 USD
Retailer 4$300 USD
Retailer 3$339 USD
Retailer 12$401 USD
Retailer 13$448 USD
Retailer 6$455 USD
Retailer 18$462 USD
Retailer 10$483 USD
Retailer 5$573 USD
Retailer 16$679 USD
Retailer 21$813 USD
Retailer 7$829 USD
Retailer 9$876 USD
Retailer 2$894 USD
Retailer 19$905 USD
Retailer 15$1,118 USD
Retailer 8$1,176 USD
Retailer 17$1,520 USD
Do Amore Diamonds$1,950 USD

15 data points across 21 retailers

14 retailers$203 USD to $1,950 USD

A
Cheapest Retailer
-
$203 USD
A
Retailer 2
-
$300 USD
View
B+
Retailer 3
-
$339 USD
View
A
Retailer 4
-
$448 USD
€427 EUR
View
A
Retailer 5
-
$462 USD
View
A
Retailer 6
-
$573 USD
View
B+
Retailer 7
-
$679 USD
A$1,044 AUD
View
B+
Retailer 8
-
$813 USD
View
B+
Retailer 9
-
$876 USD
View
Price last confirmed 50 days ago
B+
Retailer 10
-
$894 USD
A$1,375 AUD
View
B+
Retailer 11
-
$905 USD
View
B
Retailer 12
-
$1,118 USD
£880 GBP
View
B
Retailer 13
-
$1,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-BE37479C3 · Oct 26
$1,950 USD
View
13 more retailers have this diamond
Prices start from $203 USDSave up to $1,747 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
$203 USD