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Marquise|Lab Grown|IGI

1.20ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG742534902

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG742534902

Diamond specifications and retailer prices

From $390 AUD
$274 USD
As of October 31, 2026
Save $1,731 AUD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,121 AUD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG742534902 or 742534902. Listed at 24 retailers as of October 27, 2026, with prices from $390 to $2,121, a $1,731 spread on the same certified stone. Brilliant Earth lists it at $2,121. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742534902
Dimensions11.01 × 5.54 × 3.45 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.01 mm5.54 mm1.20 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742534902
Side View
Table 58.0%Crown 35.4°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 62.3%

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: Oct 31
Current: $1,594 AUD|Low: $390 AUD|High: $2,648 AUD|Avg: $1,180 AUD|-39.8%
Brilliant Earth
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 11$390 AUD
Retailer 4$437 AUD
Retailer 16$595 AUD
Retailer 3$737 AUD
Retailer 18$750 AUD
Retailer 15$773 AUD
Retailer 12$815 AUD
Retailer 8$837 AUD
Retailer 14$970 AUD
Retailer 6$1,074 AUD
Retailer 13$1,108 AUD
Retailer 9$1,267 AUD
Retailer 2$1,465 AUD
Retailer 7$1,566 AUD
Brilliant Earth$1,594 AUD
Retailer 10$1,629 AUD
Retailer 5$1,756 AUD
Retailer 17$1,912 AUD

27 data points across 18 retailers

24 retailers$390 AUD to $2,121 AUD

A
Cheapest Retailer
-
$390 AUD
$274 USD
Final sale: no returns
Retailer 2
-
$394 AUD
$277 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$437 AUD
$307 USD
View
Retailer 4
-
$475 AUD
$334 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$508 AUD
$357 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$524 AUD
$368 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
$595 AUD
$418 USD
View
A
Retailer 8
-
$737 AUD
€493 EUR
View
A
Retailer 9
-
$750 AUD
ZAR 8,506 ZAR
View
A
Retailer 10
-
$773 AUD
$543 USD
View
B+
Retailer 11
-
$815 AUD
£451 GBP
View
B+
Retailer 12
-
$837 AUD
$588 USD
View
B+
Retailer 13
-
$970 AUD
View
Retailer 14
-
$1,074 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$1,108 AUD
$778 USD
View
Retailer 16
-
$1,355 AUD
$952 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
$1,465 AUD
$1,029 USD
View
B
Retailer 18
-
$1,566 AUD
$1,100 USD
View
B
Retailer 19
-
$1,594 AUD
$1,120 USD
View
Retailer 20
-
$1,629 AUD
View
Price last confirmed 24 days ago
Retailer 21
-
$1,636 AUD
$1,149 USD
View
Price last confirmed 32 days ago
B
Retailer 22
-
$1,756 AUD
£971 GBP
View
B
Retailer 23
-
$1,912 AUD
$1,343 USD
View
Most Expensive
B
Brilliant Earth
16912620A · Oct 27
$2,121 AUD
$1,490 USD
View
23 more retailers have this diamond
Prices start from $390 AUDSave up to $1,731 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
$390 AUD