Marquise|Lab Grown|IGI

3.71ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG806630283

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806630283

Diamond specifications and retailer prices

From $1,391 AUD
$977 USD
As of October 29, 2026
Save $10,594 AUD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,985 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG806630283 or 806630283. Listed at 19 retailers as of October 29, 2026, with prices from $1,391 to $11,985, a $10,594 spread on the same certified stone. Brilliant Earth lists it at $11,985. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806630283
Dimensions15.51 × 7.99 × 5.09 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
15.51 mm7.99 mm3.71 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806630283
Side View
Table 63.0%Crown 35.3°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $11,985 AUD|Low: $1,391 AUD|High: $11,985 AUD|Avg: $3,401 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 30, 2026
Retailer 14$1,391 AUD
Retailer 16$1,694 AUD
Retailer 6$1,996 AUD
Retailer 2$2,064 AUD
Retailer 10$2,218 AUD
Retailer 15$2,653 AUD
Retailer 7$3,250 AUD
Retailer 8$3,317 AUD
Retailer 17$3,349 AUD
Retailer 12$3,771 AUD
Retailer 9$4,165 AUD
Retailer 5$4,303 AUD
Retailer 4$4,843 AUD
Retailer 13$5,005 AUD
Retailer 11$5,181 AUD
Retailer 3$5,436 AUD
Brilliant Earth$11,985 AUD

18 data points across 17 retailers

19 retailers$1,391 AUD to $11,985 AUD

A
Cheapest Retailer
-
$1,391 AUD
$977 USD
Final sale: no returns
A
Retailer 2
-
$1,694 AUD
$1,190 USD
View
A
Retailer 3
-
$1,996 AUD
$1,402 USD
View
A
Retailer 4
-
$2,064 AUD
$1,450 USD
View
A
Retailer 5
-
$2,218 AUD
£1,227 GBP
View
A
Retailer 6
-
$2,653 AUD
€1,775 EUR
View
B+
Retailer 7
-
$3,250 AUD
$2,283 USD
View
Retailer 8
-
$3,317 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,349 AUD
ZAR 38,010 ZAR
View
B+
Retailer 10
-
$3,771 AUD
$2,649 USD
View
Retailer 11
-
$4,165 AUD
£2,304 GBP
View
Price last confirmed 15 days ago
B+
Retailer 12
-
$4,303 AUD
$3,023 USD
View
B+
Retailer 13
-
$4,843 AUD
SGD 4,598 SGD
View
B+
Retailer 14
-
$5,005 AUD
$3,517 USD
View
B+
Retailer 15
-
$5,181 AUD
$3,640 USD
View
B
Retailer 16
-
$5,436 AUD
£3,007 GBP
View
Retailer 17
-
$6,463 AUD
View
Price last confirmed 25 days ago
Retailer 18
-
$8,035 AUD
$5,645 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
20219262A · Oct 30
$11,985 AUD
$8,420 USD
View
18 more retailers have this diamond
Prices start from $1,391 AUDSave up to $10,594 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.

A
3.71ct Marquise
$1,391 AUD