Cushion|Lab Grown|IGI

1.74ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG836619939

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836619939

Diamond specifications and retailer prices

From $674 USD
As of October 30, 2026
Save $4,356 USD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,030 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.74ct lab-grown cushion diamond

This 1.74ct lab-grown cushion 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 LG836619939 or 836619939. Listed at 16 retailers as of October 29, 2026, with prices from $674 to $5,030, a $4,356 spread on the same certified stone. Brilliant Earth lists it at $5,030. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619939
Dimensions8.61 × 6.01 × 4.13 mm
L/W Ratio1.43
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
8.61 mm6.01 mm1.74 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619939
Side View
Table 61.0%Crown 34.5°Girdle: STK-THKPavilion 36.1°Culet: NoneDepth 68.7%

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: $5,030 USD|Low: $674 USD|High: $5,200 USD|Avg: $2,104 USD|-3.3%
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
October 30, 2026
Retailer 15$674 USD
Retailer 8$744 USD
Retailer 12$850 USD
Retailer 3$1,128 USD
Retailer 2$1,150 USD
Retailer 9$1,190 USD
Retailer 11$1,264 USD
Retailer 13$1,411 USD
Retailer 5$1,660 USD
Retailer 16$2,134 USD
Retailer 4$2,343 USD
Retailer 14$2,380 USD
Retailer 6$2,454 USD
Retailer 7$2,955 USD
Retailer 10$3,211 USD
Brilliant Earth$5,030 USD

31 data points across 16 retailers

16 retailers$674 USD to $5,030 USD

A
Cheapest Retailer
-
$674 USD
Final sale: no returns
Retailer 2
-
$744 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$850 USD
View
A
Retailer 4
-
$1,128 USD
View
A
Retailer 5
-
$1,150 USD
£906 GBP
View
A
Retailer 6
-
$1,190 USD
€1,133 EUR
View
A
Retailer 7
-
$1,264 USD
ZAR 20,419 ZAR
View
A
Retailer 8
-
$1,411 USD
View
A
Retailer 9
-
$1,660 USD
View
B+
Retailer 10
-
$2,134 USD
£1,680 GBP
View
B+
Retailer 11
-
$2,343 USD
View
B+
Retailer 12
-
$2,380 USD
View
B+
Retailer 13
-
$2,454 USD
SGD 3,316 SGD
View
Retailer 14
-
$2,955 USD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$3,211 USD
£2,528 GBP
View
Most Expensive
B
Brilliant Earth
21589828A · Oct 29
$5,030 USD
View
15 more retailers have this diamond
Prices start from $674 USDSave up to $4,356 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 Cushion
$674 USD