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Marquise|Lab Grown|IGI

1.20ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG784641800

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784641800

Diamond specifications and retailer prices

From $319 AUD
$224 USD
As of November 1, 2026
Save $1,381 AUD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,700 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG784641800 or 784641800. Listed at 19 retailers as of November 1, 2026, with prices from $319 to $1,700, a $1,381 spread on the same certified stone. Reve Diamonds lists it at $1,700. 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784641800
Dimensions10.78 × 5.67 × 3.40 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.78 mm5.67 mm1.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784641800
Side View
Table 58.0%Crown 33.1°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 60.0%

Caratlytics Score

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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: $610 AUD|Low: $273 AUD|High: $1,672 AUD|Avg: $731 AUD|+2.7%
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
November 1, 2026
Retailer 14$285 AUD
Retailer 6$319 AUD
Retailer 5$330 AUD
Retailer 2$353 AUD
Retailer 11$598 AUD
Retailer 1$610 AUD
Retailer 4$614 AUD
Retailer 10$615 AUD
Retailer 8$648 AUD
Retailer 7$904 AUD
Retailer 13$908 AUD
Retailer 9$982 AUD
Retailer 3$1,136 AUD
Retailer 12$1,662 AUD

40 data points across 14 retailers

19 retailers$319 AUD to $1,700 AUD

Retailer 1
-
$285 AUD
$200 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$319 AUD
$224 USD
View
Final sale: no returns
Retailer 3
-
$330 AUD
$232 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$353 AUD
$248 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$353 AUD
$248 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$598 AUD
€400 EUR
View
A
Retailer 7
-
$610 AUD
ZAR 6,921 ZAR
View
A
Retailer 8
-
$614 AUD
$431 USD
View
A
Retailer 9
-
$615 AUD
$432 USD
View
A
Retailer 10
-
$648 AUD
£358 GBP
View
B+
Retailer 11
-
$904 AUD
$635 USD
View
B+
Retailer 12
-
$908 AUD
$638 USD
View
B+
Retailer 13
-
$982 AUD
$690 USD
View
Retailer 14
-
$1,036 AUD
$728 USD
View
Price last confirmed 18 days ago
Retailer 15
-
$1,136 AUD
$798 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$1,212 AUD
$851 USD
View
Retailer 17
-
$1,389 AUD
£768 GBP
View
Price last confirmed 11 days ago
B
Retailer 18
-
$1,662 AUD
£919 GBP
View
Most Expensive
B
Reve Diamonds
47CC915A8 · Nov 1
$1,700 AUD
$1,194 USD
View
18 more retailers have this diamond
Prices start from $319 AUDSave up to $1,381 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
$319 AUD