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Marquise|Lab Grown|IGI

3.65ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG834620190

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG834620190

Diamond specifications and retailer prices

From $1,455 AUD
$1,022 USD
As of October 27, 2026
Save $11,457 AUD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,912 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.65ct lab-grown marquise diamond

This 3.65ct 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 LG834620190 or 834620190. Listed at 15 retailers as of October 27, 2026, with prices from $1,455 to $12,912, a $11,457 spread on the same certified stone. Do Amore Diamonds lists it at $12,912. 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

3.65
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834620190
Dimensions16.32 × 7.90 × 5.05 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
16.32 mm7.90 mm3.65 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834620190
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.9%

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: $12,912 AUD|Low: $984 AUD|High: $12,912 AUD|Avg: $3,812 AUD
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
October 28, 2026
Retailer 12$1,629 AUD
Retailer 4$1,694 AUD
Retailer 3$2,284 AUD
Retailer 6$2,692 AUD
Retailer 7$3,025 AUD
Retailer 10$4,202 AUD
Retailer 8$5,164 AUD
Retailer 9$5,279 AUD
Retailer 5$5,992 AUD
Retailer 11$6,678 AUD
Retailer 2$7,958 AUD
Do Amore Diamonds$12,912 AUD

10 data points across 12 retailers

15 retailers$1,455 AUD to $12,912 AUD

A
Cheapest Retailer
-
$1,455 AUD
$1,022 USD
A
Retailer 2
-
$1,629 AUD
$1,144 USD
View
Final sale: no returns
A
Retailer 3
-
$1,687 AUD
$1,185 USD
View
A
Retailer 4
-
$1,687 AUD
$1,185 USD
View
A
Retailer 5
-
$2,692 AUD
$1,891 USD
View
B+
Retailer 6
-
$3,025 AUD
$2,125 USD
View
B+
Retailer 7
-
$3,491 AUD
$2,452 USD
View
B+
Retailer 8
-
$3,491 AUD
$2,452 USD
View
Retailer 9
-
$4,202 AUD
View
Price last confirmed 10 days ago
B
Retailer 10
-
$5,164 AUD
£2,856 GBP
View
B
Retailer 11
-
$5,279 AUD
$3,708 USD
View
B
Retailer 12
-
$5,992 AUD
£3,314 GBP
View
B
Retailer 13
-
$6,678 AUD
$4,691 USD
View
B
Retailer 14
-
$7,958 AUD
$5,590 USD
View
Most Expensive
B
Do Amore Diamonds
27-10073E842 · Oct 31
$12,912 AUD
$9,070 USD
View
14 more retailers have this diamond
Prices start from $1,455 AUDSave up to $11,457 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
3.65ct Marquise
$1,455 AUD