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Marquise|Lab Grown|IGI

3.73ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG704563968

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG704563968

Diamond specifications and retailer prices

From $943 USD
As of October 28, 2026
Save $7,047 USD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,990 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG704563968 or 704563968. Listed at 21 retailers as of October 28, 2026, with prices from $943 to $7,990, a $7,047 spread on the same certified stone. Brilliant Earth lists it at $7,990. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704563968
Dimensions8.25 × 8.25 × 5.09 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.25 mm8.25 mm3.73 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704563968
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

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 28
Current: $7,990 USD|Low: $970 USD|High: $8,300 USD|Avg: $2,797 USD
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 12
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Retailer 15
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Retailer 19
Retailer 20
October 30, 2026
Retailer 7$970 USD
Retailer 18$1,006 USD
Retailer 4$1,180 USD
Retailer 8$1,264 USD
Retailer 19$1,361 USD
Retailer 6$1,417 USD
Retailer 9$1,431 USD
Retailer 2$1,711 USD
Retailer 20$2,312 USD
Retailer 16$2,504 USD
Retailer 13$2,577 USD
Retailer 17$2,990 USD
Retailer 10$3,063 USD
Retailer 12$3,110 USD
Retailer 5$3,146 USD
Retailer 3$3,291 USD
Retailer 14$3,785 USD
Retailer 11$3,954 USD
Retailer 15$7,700 USD
Brilliant Earth$7,990 USD

18 data points across 20 retailers

21 retailers$943 USD to $7,990 USD

A
Cheapest Retailer
-
$943 USD
A
Retailer 2
-
$970 USD
View
Final sale: no returns
A
Retailer 3
-
$1,006 USD
View
Retailer 4
-
$1,006 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,180 USD
View
Retailer 6
-
$1,361 USD
£1,072 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$1,417 USD
View
A
Retailer 8
-
$1,431 USD
View
A
Retailer 9
-
$1,711 USD
£1,347 GBP
View
B+
Retailer 10
-
$2,312 USD
View
Retailer 11
-
$2,504 USD
A$3,853 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$2,577 USD
ZAR 41,639 ZAR
View
B
Retailer 13
-
$2,990 USD
View
B
Retailer 14
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$3,063 USD
£2,412 GBP
View
Retailer 15
-
$3,110 USD
A$4,785 AUD
View
Price last confirmed 118 days ago
B
Retailer 16
-
$3,146 USD
View
B
Retailer 17
-
$3,291 USD
View
B
Retailer 18
-
$3,785 USD
£2,980 GBP
View
B
Retailer 19
-
$3,954 USD
View
B
Retailer 20
-
$7,700 USD
View
Most Expensive
B
Brilliant Earth
18610444A · Oct 28
$7,990 USD
View
20 more retailers have this diamond
Prices start from $943 USDSave up to $7,047 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
$943 USD