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Marquise|Lab Grown|IGI

3.73ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG812630333

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812630333

Diamond specifications and retailer prices

From $1,396 USD
As of October 30, 2026
Save $4,354 USD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,750 USD at Brilliant Earth · As of October 30, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG812630333 or 812630333. Listed at 15 retailers as of October 30, 2026, with prices from $1,396 to $5,750, a $4,354 spread on the same certified stone. Brilliant Earth lists it at $5,750. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812630333
Dimensions15.47 × 7.92 × 5.05 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.47 mm7.92 mm3.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812630333
Side View
Table 59.0%Crown 38.3°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 63.8%

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 30
Current: $5,750 USD|Low: $1,051 USD|High: $9,580 USD|Avg: $3,150 USD|-39.9%
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
October 31, 2026
Retailer 4$1,051 USD
Retailer 7$1,396 USD
Retailer 8$1,458 USD
Retailer 2$1,544 USD
Retailer 12$1,874 USD
Retailer 13$2,365 USD
Retailer 10$2,676 USD
Retailer 5$3,350 USD
Retailer 11$3,535 USD
Retailer 9$3,660 USD
Retailer 3$3,839 USD
Retailer 6$3,984 USD
Brilliant Earth$5,750 USD

25 data points across 13 retailers

15 retailers$1,396 USD to $5,750 USD

Retailer 1
-
$1,051 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$1,396 USD
View
A
Retailer 3
-
$1,458 USD
View
A
Retailer 4
-
$1,544 USD
£1,216 GBP
View
A
Retailer 5
-
$1,874 USD
€1,785 EUR
View
B+
Retailer 6
-
$2,365 USD
ZAR 38,209 ZAR
View
B+
Retailer 7
-
$2,676 USD
View
B
Retailer 8
-
$3,350 USD
View
B+
Retailer 9
-
$3,535 USD
View
B+
Retailer 10
-
$3,660 USD
View
B
Retailer 11
-
$3,839 USD
£3,023 GBP
View
B
Retailer 12
-
$3,984 USD
SGD 5,384 SGD
View
Retailer 13
-
$4,569 USD
A$7,029 AUD
View
Price last confirmed 26 days ago
Retailer 14
-
$5,675 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
20516763A · Oct 30
$5,750 USD
View
14 more retailers have this diamond
Prices start from $1,396 USDSave up to $4,354 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
$1,396 USD