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Marquise|Lab Grown|IGI

1.90ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG778681207

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778681207

Diamond specifications and retailer prices

From $678 AUD
$475 USD
As of November 1, 2026
Save $3,218 AUD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,895 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.9ct lab-grown marquise diamond

This 1.9ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778681207 or 778681207. Listed at 8 retailers as of October 28, 2026, with prices from $678 to $3,895, a $3,218 spread on the same certified stone. Brilliant Earth lists it at $3,895. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778681207
Dimensions12.68 × 6.39 × 4.09 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Top View
12.68 mm6.39 mm1.90 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778681207
Side View
Table 57.0%Crown 35.5°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 64.0%

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: $3,895 AUD|Low: $281 AUD|High: $3,967 AUD|Avg: $1,546 AUD|+15.7%
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
October 25, 2026
Retailer 8$281 AUD
Retailer 4$662 AUD
Retailer 13$678 AUD
Retailer 12$722 AUD
Retailer 10$888 AUD
Retailer 17$892 AUD
Retailer 2$926 AUD
Retailer 5$932 AUD
Retailer 6$1,072 AUD
Retailer 14$1,288 AUD
Retailer 7$1,641 AUD
Retailer 15$1,836 AUD
Retailer 9$2,109 AUD
Retailer 3$2,421 AUD
Retailer 11$2,619 AUD
Retailer 16$3,810 AUD
Brilliant Earth$3,895 AUD

21 data points across 17 retailers

8 retailers$678 AUD to $3,895 AUD

A
Cheapest Retailer
-
$678 AUD
$475 USD
B+
Retailer 2
-
$722 AUD
$506 USD
View
A
Retailer 3
-
$888 AUD
$622 USD
View
A
Retailer 4
-
$926 AUD
€618 EUR
View
Retailer 5
-
$1,288 AUD
$903 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$1,836 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,619 AUD
$1,835 USD
View
Most Expensive
B
Brilliant Earth
21662366A · Oct 28
$3,895 AUD
$2,730 USD
View
7 more retailers have this diamond
Prices start from $678 AUDSave up to $3,218 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
1.90ct Marquise
$678 AUD