Marquise|Lab Grown|IGI

0.90ct F VS1 Marquise Lab Grown Diamond

VG • F/VS1 • IGI LG842605764

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842605764

Diamond specifications and retailer prices

From $307 USD
As of October 27, 2026
Save $342 USD (53%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $649 USD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 0.9ct lab-grown marquise diamond

This 0.9ct lab-grown marquise sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG842605764 or 842605764. Listed at 3 retailers as of October 27, 2026, with prices from $307 to $649, a $342 spread on the same certified stone. Taylor and Hart lists it at $649. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.90
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842605764
Dimensions10.39 × 4.86 × 3.08 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.39 mm4.86 mm0.90 ctF / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG842605764
Side View
Table 61.0%Crown 36.2°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $318 USD|Low: $307 USD|High: $665 USD|Avg: $429 USD|-1.5%
Retailer 1
Retailer 2
Taylor and Hart
October 27, 2026
Retailer 2$307 USD
Retailer 1$318 USD
Taylor and Hart$649 USD

16 data points across 3 retailers

3 retailers$307 USD to $649 USD

A
Cheapest Retailer
-
$307 USD
A
Retailer 2
-
$318 USD
£251 GBP
View
Most Expensive
B
Taylor and Hart
T9TJXTC · Oct 27
$649 USD
View
2 more retailers have this diamond
Prices start from $307 USDSave up to $342 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
0.90ct Marquise
$307 USD