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Marquise|Lab Grown|IGI

3.72ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG851660390

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851660390

Diamond specifications and retailer prices

From $1,834 AUD
$1,288 USD
As of October 30, 2026
Save $4,819 AUD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,653 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.72ct lab-grown marquise diamond

This 3.72ct 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 LG851660390 or 851660390. Listed at 10 retailers as of October 30, 2026, with prices from $1,834 to $6,653, a $4,819 spread on the same certified stone. Taylor and Hart lists it at $6,653. 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

3.72
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851660390
Dimensions16.56 × 8.03 × 4.62 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.56 mm8.03 mm3.72 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851660390
Side View
Table 61.0%Crown 39.5°Girdle: STK-THKPavilion 34.7°Culet: NoneDepth 57.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,101 AUD|Low: $1,815 AUD|High: $6,653 AUD|Avg: $3,716 AUD|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
October 30, 2026
Retailer 2$1,834 AUD
Retailer 8$2,128 AUD
Retailer 3$2,212 AUD
Retailer 9$2,719 AUD
Retailer 4$2,756 AUD
Retailer 5$3,916 AUD
Retailer 6$4,370 AUD
Retailer 1$5,101 AUD
Retailer 7$6,080 AUD
Taylor and Hart$6,653 AUD

5 data points across 10 retailers

10 retailers$1,834 AUD to $6,653 AUD

A
Cheapest Retailer
-
$1,834 AUD
$1,288 USD
Final sale: no returns
A
Retailer 2
-
$2,128 AUD
$1,495 USD
View
A
Retailer 3
-
$2,212 AUD
£1,223 GBP
View
A
Retailer 4
-
$2,719 AUD
$1,910 USD
View
A
Retailer 5
-
$2,756 AUD
£1,524 GBP
View
B+
Retailer 6
-
$3,916 AUD
$2,751 USD
View
B+
Retailer 7
-
$4,370 AUD
ZAR 49,595 ZAR
View
B+
Retailer 8
-
$5,101 AUD
$3,583 USD
View
B
Retailer 9
-
$6,080 AUD
£3,363 GBP
View
Most Expensive
B
Taylor and Hart
O04LS4G · Oct 30
$6,653 AUD
$4,673 USD
View
9 more retailers have this diamond
Prices start from $1,834 AUDSave up to $4,819 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
3.72ct Marquise
$1,834 AUD