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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 $475 USD
As of November 1, 2026
Save $2,255 USD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,730 USD 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 $475 to $2,730, a $2,255 spread on the same certified stone. Brilliant Earth lists it at $2,730. 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
Color
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: $2,730 USD|Low: $197 USD|High: $2,780 USD|Avg: $1,084 USD|+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
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Retailer 17
October 25, 2026
Retailer 8$197 USD
Retailer 4$464 USD
Retailer 13$475 USD
Retailer 12$506 USD
Retailer 10$622 USD
Retailer 17$625 USD
Retailer 2$649 USD
Retailer 5$653 USD
Retailer 6$751 USD
Retailer 14$903 USD
Retailer 7$1,150 USD
Retailer 15$1,287 USD
Retailer 9$1,478 USD
Retailer 3$1,697 USD
Retailer 11$1,835 USD
Retailer 16$2,670 USD
Brilliant Earth$2,730 USD

21 data points across 17 retailers

8 retailers$475 USD to $2,730 USD

A
Cheapest Retailer
-
$475 USD
B+
Retailer 2
-
$506 USD
View
A
Retailer 3
-
$622 USD
View
A
Retailer 4
-
$649 USD
€618 EUR
View
Retailer 5
-
$903 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$1,287 USD
A$1,980 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$1,835 USD
View
Most Expensive
B
Brilliant Earth
21662366A · Oct 28
$2,730 USD
View
7 more retailers have this diamond
Prices start from $475 USDSave up to $2,255 USD

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
$475 USD