Marquise|Lab Grown|IGI

3.71ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG811655184

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811655184

Diamond specifications and retailer prices

From $2,573 USD
A$3,958 AUD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: $4,719 USD at Novita Diamonds · As of July 4, 2026
View at Novita Diamonds

About this 3.71ct lab-grown marquise diamond

This 3.71ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811655184 or 811655184. Listed at 3 retailers as of October 31, 2026. 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

3.71
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811655184
Dimensions15.72 × 8.09 × 5.03 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.72 mm8.09 mm3.71 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811655184
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $2,573 USD|Low: $790 USD|High: $9,730 USD|Avg: $3,962 USD
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October 26, 2026
Retailer 3$790 USD
Retailer 18$1,235 USD
Retailer 9$1,491 USD
Retailer 4$1,617 USD
Retailer 15$1,858 USD
Retailer 20$2,087 USD
Retailer 11$2,305 USD
Retailer 1$2,573 USD
Retailer 17$2,863 USD
Retailer 16$3,102 USD
Retailer 5$3,197 USD
Retailer 19$3,246 USD
Retailer 7$3,676 USD
Retailer 12$3,733 USD
Retailer 21$4,503 USD
Retailer 14$4,651 USD
Retailer 6$5,421 USD
Retailer 10$7,487 USD
Retailer 2$8,780 USD
Retailer 8$8,854 USD
Retailer 13$9,730 USD

3 data points across 21 retailers

3 retailers

B+
Cheapest Retailer
-
$2,573 USD
A$3,958 AUD
Retailer 2
-
$3,733 USD
£2,939 GBP
View
Price last confirmed 47 days ago
Most Expensive
Novita Diamonds
cert_811655184 · Jul 4
$4,719 USD
A$7,260 AUD
View
Price last confirmed 119 days ago
2 more retailers have this diamond
Prices start from $2,573 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+
3.71ct Marquise
$2,573 USD