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Marquise|Lab Grown|IGI

3.23ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG844621190

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844621190

Diamond specifications and retailer prices

From $419 USD
As of October 31, 2026
Save $2,611 USD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,030 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.23ct lab-grown marquise diamond

This 3.23ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844621190 or 844621190. Listed at 4 retailers as of October 30, 2026, with prices from $419 to $3,030, a $2,611 spread on the same certified stone. Brilliant Earth lists it at $3,030. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.23
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621190
Dimensions14.58 × 7.72 × 4.98 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.58 mm7.72 mm3.23 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621190
Side View
Table 63.0%Crown 36.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $3,030 USD|Low: $419 USD|High: $3,030 USD|Avg: $1,431 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$419 USD
Retailer 2$875 USD
Retailer 3$2,420 USD
Brilliant Earth$3,030 USD

20 data points across 4 retailers

4 retailers$419 USD to $3,030 USD

A
Cheapest Retailer
-
$419 USD
Final sale: no returns
A
Retailer 2
-
$875 USD
£689 GBP
View
B
Retailer 3
-
$2,420 USD
View
Most Expensive
B
Brilliant Earth
21815463A · Oct 30
$3,030 USD
View
3 more retailers have this diamond
Prices start from $419 USDSave up to $2,611 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
3.23ct Marquise
$419 USD