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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 $3,662 AUD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: $6,718 AUD 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 29, 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,662 AUD|Low: $1,125 AUD|High: $13,852 AUD|Avg: $5,640 AUD
Retailer 1
Retailer 2
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Retailer 21
October 26, 2026
Retailer 3$1,125 AUD
Retailer 18$1,758 AUD
Retailer 9$2,123 AUD
Retailer 4$2,302 AUD
Retailer 15$2,644 AUD
Retailer 20$2,971 AUD
Retailer 11$3,281 AUD
Retailer 1$3,662 AUD
Retailer 17$4,076 AUD
Retailer 16$4,415 AUD
Retailer 5$4,552 AUD
Retailer 19$4,621 AUD
Retailer 7$5,233 AUD
Retailer 12$5,314 AUD
Retailer 21$6,411 AUD
Retailer 14$6,621 AUD
Retailer 6$7,717 AUD
Retailer 10$10,658 AUD
Retailer 2$12,499 AUD
Retailer 8$12,605 AUD
Retailer 13$13,852 AUD

3 data points across 21 retailers

3 retailers

B+
Cheapest Retailer
-
$3,662 AUD
Retailer 2
-
$5,314 AUD
£2,939 GBP
View
Price last confirmed 46 days ago
Most Expensive
Novita Diamonds
cert_811655184 · Jul 4
$6,718 AUD
View
Price last confirmed 118 days ago
2 more retailers have this diamond
Prices start from $3,662 AUD

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
$3,662 AUD