Marquise|Lab Grown|IGI

3.68ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG831613654

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831613654

Diamond specifications and retailer prices

From $2,313 USD
A$3,558 AUD
As of October 31, 2026
2 retailers carry this diamond
Most expensive: $9,370 USD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 3.68ct lab-grown marquise diamond

This 3.68ct 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 LG831613654 or 831613654. Listed at 2 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

3.68
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831613654
Dimensions16.02 × 7.97 × 4.97 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.02 mm7.97 mm3.68 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831613654
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: $9,370 USD|Low: $777 USD|High: $9,650 USD|Avg: $3,244 USD|-2.9%
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
Retailer 14
October 18, 2026
Retailer 10$777 USD
Retailer 8$1,257 USD
Retailer 11$1,270 USD
Retailer 3$1,568 USD
Retailer 7$1,683 USD
Retailer 2$2,313 USD
Retailer 9$2,635 USD
Retailer 13$2,804 USD
Retailer 4$3,171 USD
Retailer 12$3,571 USD
Retailer 14$3,815 USD
Retailer 5$5,377 USD
Retailer 6$5,718 USD
Brilliant Earth$9,370 USD

4 data points across 14 retailers

2 retailers

B+
Cheapest Retailer
-
$2,313 USD
A$3,558 AUD
Most Expensive
Brilliant Earth
21212023A · Oct 21
$9,370 USD
View
Price last confirmed 9 days ago
1 more retailer has this diamond
Prices start from $2,313 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+
3.68ct Marquise
$2,313 USD