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Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG784606281

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784606281

Diamond specifications and retailer prices

From $347 AUD
$244 USD
As of November 1, 2026
Save $1,637 AUD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,985 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG784606281 or 784606281. Listed at 12 retailers as of October 31, 2026, with prices from $347 to $1,985, a $1,637 spread on the same certified stone. Taylor and Hart lists it at $1,985. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784606281
Dimensions10.83 × 5.62 × 3.45 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.83 mm5.62 mm1.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784606281
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.4%

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: Nov 1
Current: $665 AUD|Low: $347 AUD|High: $1,985 AUD|Avg: $998 AUD|+17.0%
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
Retailer 14
Taylor and Hart
November 1, 2026
Retailer 14$347 AUD
Retailer 2$625 AUD
Retailer 13$661 AUD
Retailer 1$665 AUD
Retailer 11$701 AUD
Retailer 8$715 AUD
Retailer 5$716 AUD
Retailer 3$774 AUD
Retailer 6$908 AUD
Retailer 10$942 AUD
Retailer 12$1,243 AUD
Retailer 9$1,352 AUD
Retailer 7$1,544 AUD
Retailer 4$1,637 AUD
Taylor and Hart$1,985 AUD

38 data points across 15 retailers

12 retailers$347 AUD to $1,985 AUD

A
Cheapest Retailer
-
$347 AUD
$244 USD
Final sale: no returns
A
Retailer 2
-
$625 AUD
$439 USD
View
A
Retailer 3
-
$661 AUD
$464 USD
View
A
Retailer 4
-
$665 AUD
ZAR 7,548 ZAR
View
A
Retailer 5
-
$692 AUD
£383 GBP
View
Retailer 6
-
$701 AUD
€469 EUR
View
Price last confirmed 7 days ago
A
Retailer 7
-
$715 AUD
£396 GBP
View
B+
Retailer 8
-
$942 AUD
View
B
Retailer 9
-
$1,243 AUD
$873 USD
View
B
Retailer 10
-
$1,352 AUD
$950 USD
View
B
Retailer 11
-
$1,544 AUD
£854 GBP
View
Most Expensive
B
Taylor and Hart
OWG9QD9 · Oct 31
$1,985 AUD
$1,394 USD
View
11 more retailers have this diamond
Prices start from $347 AUDSave up to $1,637 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
1.20ct Marquise
$347 AUD