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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 $960 AUD
$674 USD
As of October 30, 2026
Save $4,165 AUD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,125 AUD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $960 to $5,125, a $4,165 spread on the same certified stone. Brilliant Earth lists it at $5,125. 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
Colour
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: $5,125 AUD|Low: $960 AUD|High: $7,403 AUD|Avg: $2,961 AUD|-30.8%
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 31, 2026
Retailer 15$960 AUD
Retailer 8$1,059 AUD
Retailer 12$1,210 AUD
Retailer 3$1,606 AUD
Retailer 9$1,637 AUD
Retailer 2$1,682 AUD
Retailer 11$1,799 AUD
Retailer 13$2,009 AUD
Retailer 5$2,363 AUD
Retailer 16$3,037 AUD
Retailer 4$3,335 AUD
Retailer 14$3,388 AUD
Retailer 6$3,493 AUD
Retailer 7$4,207 AUD
Retailer 10$4,571 AUD
Brilliant Earth$5,125 AUD

31 data points across 16 retailers

16 retailers$960 AUD to $5,125 AUD

A
Cheapest Retailer
-
$960 AUD
$674 USD
Final sale: no returns
Retailer 2
-
$1,059 AUD
$744 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,210 AUD
$850 USD
View
A
Retailer 4
-
$1,606 AUD
$1,128 USD
View
A
Retailer 5
-
$1,637 AUD
£906 GBP
View
A
Retailer 6
-
$1,682 AUD
€1,125 EUR
View
A
Retailer 7
-
$1,799 AUD
ZAR 20,419 ZAR
View
A
Retailer 8
-
$2,009 AUD
$1,411 USD
View
A
Retailer 9
-
$2,363 AUD
$1,660 USD
View
B+
Retailer 10
-
$3,037 AUD
£1,680 GBP
View
B+
Retailer 11
-
$3,335 AUD
$2,343 USD
View
B+
Retailer 12
-
$3,388 AUD
$2,380 USD
View
B+
Retailer 13
-
$3,493 AUD
SGD 3,316 SGD
View
Retailer 14
-
$4,207 AUD
$2,955 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$4,571 AUD
£2,528 GBP
View
Most Expensive
B
Brilliant Earth
21589828A · Oct 30
$5,125 AUD
$3,600 USD
View
15 more retailers have this diamond
Prices start from $960 AUDSave up to $4,165 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
1.74ct Cushion
$960 AUD