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Marquise|Lab Grown|IGI

1.40ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG800656392

Certificate IGI LG800656392

Diamond specifications and retailer prices

From $1,420 USD
As of October 30, 2026
Save $580 USD (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,000 USD at Kay Jewelers · As of November 1, 2026
View at Kay Jewelers

About this 1.4ct lab-grown marquise diamond

This 1.4ct 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 LG800656392 or 800656392. Listed at 4 retailers as of October 30, 2026, with prices from $1,420 to $2,000, a $580 spread on the same certified stone. Kay Jewelers lists it at $2,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG800656392
Dimensions11.49 × 6.00 × 3.53 mm
L/W Ratio1.92
Top View
11.49 mm6.00 mm1.40 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800656392
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,000 USD|Low: $1,420 USD|High: $2,380 USD|Avg: $1,839 USD
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 2$1,420 USD
Retailer 3$1,456 USD
Kay Jewelers$2,000 USD
Retailer 4$2,000 USD

2 data points across 4 retailers

4 retailers$1,420 USD to $2,000 USD

B+
Cheapest Retailer
-
$1,420 USD
B
Retailer 2
-
$1,456 USD
View
B
Retailer 3
-
$2,000 USD
View
Most Expensive
B
Kay Jewelers
259138813 · Nov 1
$2,000 USD
View
3 more retailers have this diamond
Prices start from $1,420 USDSave up to $580 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.

B+
1.40ct Marquise
$1,420 USD