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Marquise|Lab Grown|IGI

1.51ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG818682378

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682378

Diamond specifications and retailer prices

From $351 AUD
As of November 4, 2026
Save $1,877 AUD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,228 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818682378 or 818682378. Listed at 22 retailers as of November 3, 2026, with prices from $351 to $2,228, a $1,877 spread on the same certified stone. Brilliant Earth lists it at $2,228. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682378
Dimensions11.58 × 6.02 × 3.76 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.58 mm6.02 mm1.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682378
Side View
Table 60.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.5%

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 4
Current: $2,228 AUD|Low: $351 AUD|High: $2,228 AUD|Avg: $919 AUD
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
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 10$351 AUD
Retailer 11$391 AUD
Retailer 6$407 AUD
Retailer 3$436 AUD
Retailer 5$436 AUD
Retailer 2$481 AUD
Retailer 14$671 AUD
Retailer 21$733 AUD
Retailer 18$751 AUD
Retailer 7$756 AUD
Retailer 13$817 AUD
Retailer 20$900 AUD
Retailer 15$1,019 AUD
Retailer 17$1,121 AUD
Retailer 8$1,351 AUD
Retailer 19$1,369 AUD
Retailer 4$1,399 AUD
Retailer 12$1,403 AUD
Retailer 9$1,473 AUD
Retailer 16$1,743 AUD
Brilliant Earth$2,228 AUD

28 data points across 21 retailers

22 retailers$351 AUD to $2,228 AUD

A
Cheapest Retailer
-
$351 AUD
A
Retailer 2
-
$391 AUD
View
Final sale: no returns
A
Retailer 3
-
$407 AUD
View
Retailer 4
-
$436 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$436 AUD
View
A
Retailer 6
-
$481 AUD
View
Retailer 7
-
$671 AUD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$733 AUD
View
A
Retailer 9
-
$751 AUD
View
A
Retailer 10
-
$756 AUD
View
A
Retailer 11
-
$817 AUD
View
A
Retailer 12
-
$900 AUD
View
A
Retailer 13
-
$1,019 AUD
View
B+
Retailer 14
-
$1,121 AUD
View
B+
Retailer 15
-
$1,351 AUD
View
Retailer 16
-
$1,369 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$1,399 AUD
View
B+
Retailer 18
-
$1,403 AUD
View
B+
Retailer 19
-
$1,473 AUD
View
B
Retailer 20
-
$1,714 AUD
View
B+
Retailer 21
-
$1,743 AUD
View
Most Expensive
B
Brilliant Earth
22456296A · Nov 3
$2,228 AUD
$1,560 USD
View
21 more retailers have this diamond
Prices start from $351 AUDSave up to $1,877 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
1.51ct Marquise
$351 AUD