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Marquise|Lab Grown|IGI

1.65ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG837678236

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837678236

Diamond specifications and retailer prices

From $414 AUD
$291 USD
As of October 28, 2026
Save $2,518 AUD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,932 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG837678236 or 837678236. Listed at 16 retailers as of October 28, 2026, with prices from $414 to $2,932, a $2,518 spread on the same certified stone. Do Amore Diamonds lists it at $2,932. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837678236
Dimensions12.19 × 6.14 × 3.81 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.19 mm6.14 mm1.65 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837678236
Side View
Table 61.0%Crown 35.2°Girdle: MED-THKPavilion 40°Culet: NoneDepth 62.1%

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 28
Current: $2,932 AUD|Low: $414 AUD|High: $3,302 AUD|Avg: $1,369 AUD|-4.6%
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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 5$414 AUD
Retailer 2$594 AUD
Retailer 15$615 AUD
Retailer 4$669 AUD
Retailer 14$683 AUD
Retailer 12$871 AUD
Retailer 9$895 AUD
Retailer 11$1,178 AUD
Retailer 13$1,411 AUD
Retailer 10$1,527 AUD
Retailer 8$1,637 AUD
Retailer 7$1,806 AUD
Retailer 6$1,865 AUD
Retailer 3$1,968 AUD
Retailer 16$2,034 AUD
Do Amore Diamonds$2,932 AUD

20 data points across 16 retailers

16 retailers$414 AUD to $2,932 AUD

A
Cheapest Retailer
-
$414 AUD
$291 USD
Final sale: no returns
A
Retailer 2
-
$594 AUD
£329 GBP
View
B+
Retailer 3
-
$615 AUD
$432 USD
View
A
Retailer 4
-
$669 AUD
$470 USD
View
A
Retailer 5
-
$683 AUD
$480 USD
View
A
Retailer 6
-
$871 AUD
ZAR 9,880 ZAR
View
A
Retailer 7
-
$895 AUD
£495 GBP
View
B+
Retailer 8
-
$1,178 AUD
View
B+
Retailer 9
-
$1,411 AUD
$991 USD
View
B+
Retailer 10
-
$1,527 AUD
View
B
Retailer 11
-
$1,637 AUD
$1,150 USD
View
B
Retailer 12
-
$1,806 AUD
$1,269 USD
View
B
Retailer 13
-
$1,865 AUD
$1,310 USD
View
B
Retailer 14
-
$1,968 AUD
$1,383 USD
View
B
Retailer 15
-
$2,034 AUD
£1,125 GBP
View
Most Expensive
B
Do Amore Diamonds
36-1990971 · Oct 29
$2,932 AUD
$2,060 USD
View
15 more retailers have this diamond
Prices start from $414 AUDSave up to $2,518 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
$414 AUD