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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 $1,987 AUD
$1,396 USD
As of October 30, 2026
Save $6,198 AUD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,186 AUD 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 $1,987 to $8,186, a $6,198 spread on the same certified stone. Brilliant Earth lists it at $8,186. 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
Colour
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: $8,186 AUD|Low: $1,496 AUD|High: $13,638 AUD|Avg: $4,772 AUD|-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
Retailer 14
October 31, 2026
Retailer 4$1,496 AUD
Retailer 7$1,987 AUD
Retailer 8$2,076 AUD
Retailer 9$2,231 AUD
Retailer 13$2,668 AUD
Retailer 14$3,367 AUD
Retailer 11$3,810 AUD
Retailer 5$4,769 AUD
Retailer 12$5,033 AUD
Retailer 10$5,210 AUD
Retailer 3$5,465 AUD
Retailer 2$5,672 AUD
Retailer 6$8,079 AUD
Brilliant Earth$8,186 AUD

25 data points across 14 retailers

15 retailers$1,987 AUD to $8,186 AUD

Retailer 1
-
$1,496 AUD
$1,051 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$1,987 AUD
$1,396 USD
View
A
Retailer 3
-
$2,076 AUD
$1,458 USD
View
A
Retailer 4
-
$2,231 AUD
£1,234 GBP
View
A
Retailer 5
-
$2,668 AUD
€1,785 EUR
View
B+
Retailer 6
-
$3,367 AUD
ZAR 38,209 ZAR
View
B+
Retailer 7
-
$3,810 AUD
$2,676 USD
View
B
Retailer 8
-
$4,769 AUD
$3,350 USD
View
B+
Retailer 9
-
$5,033 AUD
$3,535 USD
View
B+
Retailer 10
-
$5,210 AUD
$3,660 USD
View
B
Retailer 11
-
$5,465 AUD
£3,023 GBP
View
B
Retailer 12
-
$5,672 AUD
SGD 5,384 SGD
View
Retailer 13
-
$6,504 AUD
View
Price last confirmed 25 days ago
Retailer 14
-
$8,079 AUD
$5,675 USD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
20516763A · Oct 30
$8,186 AUD
$5,750 USD
View
14 more retailers have this diamond
Prices start from $1,987 AUDSave up to $6,198 AUD

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
$1,987 AUD