Marquise|Lab Grown|IGI

3.71ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG821630534

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821630534

Diamond specifications and retailer prices

From $781 USD
As of October 30, 2026
Save $5,929 USD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,710 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.71ct lab-grown marquise diamond

This 3.71ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821630534 or 821630534. Listed at 12 retailers as of October 30, 2026, with prices from $781 to $6,710, a $5,929 spread on the same certified stone. Do Amore Diamonds lists it at $6,710. 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
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821630534
Dimensions15.93 × 8.12 × 5.07 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.93 mm8.12 mm3.71 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821630534
Side View
Table 56.0%Crown 36.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

Caratlytics Score

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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 30
Current: $6,710 USD|Low: $750 USD|High: $6,710 USD|Avg: $2,407 USD
Do Amore Diamonds
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 25, 2026
Retailer 11$781 USD
Retailer 14$850 USD
Retailer 5$858 USD
Retailer 3$1,230 USD
Retailer 8$1,406 USD
Retailer 4$1,439 USD
Retailer 10$1,440 USD
Retailer 13$1,464 USD
Retailer 9$2,155 USD
Retailer 12$2,813 USD
Retailer 6$3,370 USD
Retailer 2$3,754 USD
Retailer 7$4,855 USD
Do Amore Diamonds$6,710 USD

20 data points across 14 retailers

12 retailers$781 USD to $6,710 USD

A
Cheapest Retailer
-
$781 USD
A
Retailer 2
-
$850 USD
View
A
Retailer 3
-
$1,230 USD
View
Retailer 4
-
$1,406 USD
£1,107 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,439 USD
View
A
Retailer 6
-
$1,440 USD
View
A
Retailer 7
-
$1,464 USD
View
B+
Retailer 8
-
$2,155 USD
View
B+
Retailer 9
-
$2,813 USD
View
B
Retailer 10
-
$3,754 USD
£2,956 GBP
View
B
Retailer 11
-
$4,855 USD
View
Most Expensive
B
Do Amore Diamonds
7-1790314 · Oct 30
$6,710 USD
View
11 more retailers have this diamond
Prices start from $781 USDSave up to $5,929 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.

A
3.71ct Marquise
$781 USD