Marquise|Lab Grown|IGI

1.90ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG800679940

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679940

Diamond specifications and retailer prices

From $1,574 USD
HK$12,300 HKD
As of October 30, 2026
Save $5,011 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,585 USD at With Clarity · As of October 30, 2026
View at With Clarity

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679940 or 800679940. Listed at 11 retailers as of October 30, 2026, with prices from $1,574 to $6,585, a $5,011 spread on the same certified stone. With Clarity lists it at $6,585. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679940
Dimensions12.51 × 6.36 × 4.05 mm
L/W Ratio1.97
Girdle conditionFaceted
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
12.51 mm6.36 mm1.90 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679940
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,874 USD|Low: $1,574 USD|High: $9,679 USD|Avg: $3,654 USD|-31.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
October 30, 2026
Retailer 9$1,574 USD
Retailer 7$1,816 USD
Retailer 1$1,874 USD
Retailer 8$1,950 USD
Retailer 3$2,079 USD
Retailer 4$2,376 USD
Retailer 6$3,344 USD
Retailer 10$3,743 USD
Retailer 5$4,176 USD
Retailer 2$4,521 USD
With Clarity$6,585 USD

41 data points across 11 retailers

11 retailers$1,574 USD to $6,585 USD

A
Cheapest Retailer
-
$1,574 USD
HK$12,300 HKD
A
Retailer 2
-
$1,816 USD
View
A
Retailer 3
-
$1,874 USD
£1,475 GBP
View
A
Retailer 4
-
$1,950 USD
View
A
Retailer 5
-
$2,079 USD
€1,980 EUR
View
B+
Retailer 6
-
$2,376 USD
ZAR 38,389 ZAR
View
B+
Retailer 7
-
$3,344 USD
View
B+
Retailer 8
-
$3,743 USD
View
B
Retailer 9
-
$4,176 USD
£3,288 GBP
View
B
Retailer 10
-
$4,521 USD
View
Most Expensive
B
With Clarity
800679940 · Oct 30
$6,585 USD
View
10 more retailers have this diamond
Prices start from $1,574 USDSave up to $5,011 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
$1,574 USD