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Marquise|Lab Grown|IGI

1.74ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG823695115

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823695115

Diamond specifications and retailer prices

From $919 USD
As of October 30, 2026
Save $3,081 USD (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,000 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.74ct lab-grown marquise diamond

This 1.74ct 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 LG823695115 or 823695115. Listed at 23 retailers as of October 30, 2026, with prices from $919 to $4,000, a $3,081 spread on the same certified stone. Brilliant Earth lists it at $4,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.74
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823695115
Dimensions12.09 × 6.34 × 3.99 mm
L/W Ratio1.91
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
12.09 mm6.34 mm1.74 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823695115
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.9%

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: Oct 30
Current: $4,000 USD|Low: $919 USD|High: $5,070 USD|Avg: $2,412 USD|-21.1%
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 6$919 USD
Retailer 22$1,000 USD
Retailer 8$1,029 USD
Retailer 20$1,066 USD
Retailer 2$1,177 USD
Retailer 18$1,240 USD
Retailer 7$1,242 USD
Retailer 5$1,285 USD
Retailer 3$1,522 USD
Retailer 13$1,638 USD
Retailer 19$1,695 USD
Retailer 10$1,708 USD
Retailer 17$1,959 USD
Retailer 12$2,371 USD
Retailer 4$2,941 USD
Retailer 21$2,997 USD
Retailer 9$3,165 USD
Retailer 11$3,488 USD
Retailer 14$3,576 USD
Retailer 16$3,635 USD
Retailer 15$3,706 USD
Brilliant Earth$4,000 USD

27 data points across 22 retailers

23 retailers$919 USD to $4,000 USD

A
Cheapest Retailer
-
$919 USD
A
Retailer 2
-
$1,000 USD
View
A
Retailer 3
-
$1,029 USD
View
Final sale: no returns
A
Retailer 4
-
$1,066 USD
View
A
Retailer 5
-
$1,177 USD
£927 GBP
View
A
Retailer 6
-
$1,240 USD
View
A
Retailer 7
-
$1,242 USD
HK$9,700 HKD
View
A
Retailer 8
-
$1,285 USD
View
Retailer 9
-
$1,319 USD
View
Price last confirmed 13 days ago
A
Retailer 10
-
$1,522 USD
View
A
Retailer 11
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$1,638 USD
£1,290 GBP
View
A
Retailer 12
-
$1,695 USD
€1,614 EUR
View
A
Retailer 13
-
$1,708 USD
View
B+
Retailer 14
-
$1,959 USD
ZAR 31,655 ZAR
View
B+
Retailer 15
-
$2,371 USD
View
B+
Retailer 16
-
$2,941 USD
£2,316 GBP
View
B
Retailer 17
-
$2,997 USD
View
B+
Retailer 18
-
$3,165 USD
View
B
Retailer 19
-
$3,488 USD
View
B
Retailer 20
-
$3,576 USD
SGD 4,833 SGD
View
B
Retailer 21
-
$3,635 USD
£2,862 GBP
View
B
Retailer 22
-
$3,706 USD
View
Most Expensive
B
Brilliant Earth
21546787A · Oct 30
$4,000 USD
View
22 more retailers have this diamond
Prices start from $919 USDSave up to $3,081 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
1.74ct Marquise
$919 USD