Marquise|Lab Grown|IGI

3.74ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG823617997

Certificate IGI LG823617997

Diamond specifications and retailer prices

From $4,475 USD
As of October 29, 2026
Save $1,935 USD (30%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,410 USD at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 3.74ct lab-grown marquise diamond

This 3.74ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823617997 or 823617997. Listed at 4 retailers as of October 29, 2026, with prices from $4,475 to $6,410, a $1,935 spread on the same certified stone. Kay Jewelers lists it at $6,410. 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

3.74
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG823617997
Dimensions15.76 × 8.27 × 4.99 mm
L/W Ratio1.91
Top View
15.76 mm8.27 mm3.74 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823617997
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,410 USD|Low: $4,475 USD|High: $6,410 USD|Avg: $5,756 USD
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 4$4,475 USD
Retailer 2$5,050 USD
Kay Jewelers$6,410 USD
Retailer 3$6,410 USD

3 data points across 4 retailers

4 retailers$4,475 USD to $6,410 USD

B
Cheapest Retailer
-
$4,475 USD
B
Retailer 2
-
$5,050 USD
View
B
Retailer 3
-
$6,410 USD
View
Most Expensive
B
Kay Jewelers
259851234 · Oct 30
$6,410 USD
View
3 more retailers have this diamond
Prices start from $4,475 USDSave up to $1,935 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
3.74ct Marquise
$4,475 USD