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Marquise|Lab Grown|IGI

1.65ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG841645315

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841645315

Diamond specifications and retailer prices

From $424 AUD
$298 USD
As of October 24, 2026
Save $1,526 AUD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,950 AUD at With Clarity · As of October 27, 2026
View at With Clarity

About this 1.65ct lab-grown marquise diamond

This 1.65ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841645315 or 841645315. Listed at 15 retailers as of October 24, 2026, with prices from $424 to $1,950, a $1,526 spread on the same certified stone. With Clarity lists it at $1,950. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841645315
Dimensions12.58 × 5.97 × 3.79 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.58 mm5.97 mm1.65 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841645315
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.5%

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 24
Current: $683 AUD|Low: $366 AUD|High: $2,056 AUD|Avg: $1,257 AUD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 28, 2026
Retailer 13$366 AUD
Retailer 10$424 AUD
Retailer 6$532 AUD
Retailer 1$683 AUD
Retailer 7$749 AUD
Retailer 4$942 AUD
Retailer 9$1,066 AUD
Retailer 11$1,395 AUD
Retailer 3$1,459 AUD
Retailer 12$1,651 AUD
Retailer 2$1,658 AUD
Retailer 8$1,822 AUD
Retailer 5$1,912 AUD
With Clarity$1,950 AUD

21 data points across 14 retailers

15 retailers$424 AUD to $1,950 AUD

Retailer 1
-
$366 AUD
$257 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$424 AUD
$298 USD
View
A
Retailer 3
-
$532 AUD
£294 GBP
View
A
Retailer 4
-
$683 AUD
$480 USD
View
A
Retailer 5
-
$749 AUD
€501 EUR
View
A
Retailer 6
-
$942 AUD
$662 USD
View
Retailer 7
-
$1,053 AUD
$740 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,066 AUD
View
B+
Retailer 9
-
$1,395 AUD
$980 USD
View
B+
Retailer 10
-
$1,459 AUD
$1,025 USD
View
Retailer 11
-
$1,651 AUD
$1,160 USD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$1,658 AUD
$1,165 USD
View
B
Retailer 13
-
$1,822 AUD
£1,008 GBP
View
Retailer 14
-
$1,912 AUD
SGD 1,815 SGD
View
Price last confirmed 17 days ago
Most Expensive
B
With Clarity
841645315 · Oct 27
$1,950 AUD
$1,370 USD
View
14 more retailers have this diamond
Prices start from $424 AUDSave up to $1,526 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
1.65ct Marquise
$424 AUD