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Marquise|Lab Grown|IGI

1.43ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG830674774

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830674774

Diamond specifications and retailer prices

From €249 EUR
$279 USD
As of November 3, 2026
Save €875 EUR (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,123 EUR at Taylor and Hart · As of November 3, 2026
View at Taylor and Hart

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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830674774 or 830674774. Listed at 9 retailers as of November 3, 2026, with prices from €249 to €1,123, a €875 spread on the same certified stone. Taylor and Hart lists it at €1,123. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830674774
Dimensions11.75 × 6.01 × 3.62 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
11.75 mm6.01 mm1.43 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830674774
Side View
Table 63.0%Crown 35°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.2%

Caratlytics Score

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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 3
Current: €605 EUR|Low: €230 EUR|High: €1,800 EUR|Avg: €804 EUR|+17.5%
Retailer 1
Retailer 2
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Retailer 21
Taylor and Hart
November 3, 2026
Retailer 21€239 EUR
Retailer 15€249 EUR
Retailer 4€255 EUR
Retailer 7€341 EUR
Retailer 9€478 EUR
Retailer 20€523 EUR
Retailer 2€539 EUR
Retailer 10€589 EUR
Retailer 1€605 EUR
Retailer 5€684 EUR
Retailer 18€699 EUR
Retailer 11€802 EUR
Retailer 19€810 EUR
Retailer 16€891 EUR
Retailer 12€1,038 EUR
Retailer 14€1,056 EUR
Taylor and Hart€1,123 EUR
Retailer 17€1,142 EUR
Retailer 8€1,151 EUR
Retailer 13€1,489 EUR
Retailer 6€1,605 EUR
Retailer 3€1,800 EUR

7 data points across 22 retailers

9 retailers€249 EUR to €1,123 EUR

Retailer 1
-
€206 EUR
$231 USD
Price last confirmed 34 days ago
A
Retailer 2
-
€249 EUR
$279 USD
View
Final sale: no returns
Retailer 3
-
€251 EUR
$282 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
€605 EUR
$679 USD
View
Retailer 5
-
€699 EUR
£617 GBP
View
Price last confirmed 34 days ago
B+
Retailer 6
-
€891 EUR
$1,000 USD
View
B
Retailer 7
-
€1,038 EUR
$1,164 USD
View
Retailer 8
-
€1,056 EUR
$1,184 USD
View
Price last confirmed 55 days ago
Most Expensive
B
Taylor and Hart
4AXHNUN · Nov 3
€1,123 EUR
$1,260 USD
View
8 more retailers have this diamond
Prices start from €249 EURSave up to €875 EUR

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
€249 EUR