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Marquise|Lab Grown|IGI

3.73ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG811685107

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811685107

Diamond specifications and retailer prices

From $531 USD
As of October 27, 2026
Save $4,179 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,710 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.73ct lab-grown marquise diamond

This 3.73ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811685107 or 811685107. Listed at 18 retailers as of October 27, 2026, with prices from $531 to $4,710, a $4,179 spread on the same certified stone. Do Amore Diamonds lists it at $4,710. 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

3.73
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811685107
Dimensions16.79 × 8.13 × 4.95 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.79 mm8.13 mm3.73 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811685107
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.9%

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 27
Current: $4,710 USD|Low: $431 USD|High: $5,040 USD|Avg: $2,052 USD|-1.9%
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 26, 2026
Retailer 12$531 USD
Retailer 10$594 USD
Retailer 5$620 USD
Retailer 6$686 USD
Retailer 2$1,019 USD
Retailer 8$1,407 USD
Retailer 13$1,569 USD
Retailer 4$1,947 USD
Retailer 11$2,138 USD
Retailer 3$2,164 USD
Retailer 9$2,488 USD
Retailer 7$3,157 USD
Retailer 14$3,790 USD
Do Amore Diamonds$4,710 USD

27 data points across 14 retailers

18 retailers$531 USD to $4,710 USD

A
Cheapest Retailer
-
$531 USD
Retailer 2
-
$541 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$594 USD
View
Final sale: no returns
Retailer 4
-
$620 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$658 USD
View
Retailer 6
-
$671 USD
View
Price last confirmed 12 days ago
Retailer 7
-
$686 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$1,019 USD
View
A
Retailer 9
-
$1,407 USD
View
Retailer 10
-
$1,569 USD
A$2,414 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$1,910 USD
View
Retailer 12
-
$1,947 USD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
$2,138 USD
View
Retailer 14
-
$2,164 USD
£1,704 GBP
View
Price last confirmed 13 days ago
B+
Retailer 15
-
$2,488 USD
View
B
Retailer 16
-
$3,157 USD
£2,486 GBP
View
B
Retailer 17
-
$3,790 USD
View
Most Expensive
B
Do Amore Diamonds
27-F08F532FA · Oct 30
$4,710 USD
View
17 more retailers have this diamond
Prices start from $531 USDSave up to $4,179 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
3.73ct Marquise
$531 USD