CaratHunter
Plans
Cushion|Lab Grown|IGI

1.74ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG831604085

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831604085

Diamond specifications and retailer prices

From $827 USD
As of October 30, 2026
Save $4,763 USD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,590 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831604085 or 831604085. Listed at 16 retailers as of October 29, 2026, with prices from $827 to $5,590, a $4,763 spread on the same certified stone. Brilliant Earth lists it at $5,590. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.74
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604085
Dimensions8.24 × 6.58 × 4.14 mm
L/W Ratio1.25
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
8.24 mm6.58 mm1.74 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604085
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 62.9%

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: $5,590 USD|Low: $827 USD|High: $5,590 USD|Avg: $2,107 USD
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 8$827 USD
Retailer 12$922 USD
Retailer 13$972 USD
Retailer 9$980 USD
Retailer 3$1,245 USD
Retailer 2$1,269 USD
Retailer 14$1,370 USD
Retailer 6$1,451 USD
Retailer 16$1,576 USD
Retailer 11$1,840 USD
Retailer 4$2,782 USD
Retailer 5$2,914 USD
Retailer 7$2,955 USD
Retailer 15$3,385 USD
Retailer 10$3,762 USD
Brilliant Earth$5,590 USD

8 data points across 16 retailers

16 retailers$827 USD to $5,590 USD

A
Cheapest Retailer
-
$827 USD
Final sale: no returns
A
Retailer 2
-
$922 USD
HK$7,200 HKD
View
A
Retailer 3
-
$972 USD
£765 GBP
View
A
Retailer 4
-
$980 USD
View
A
Retailer 5
-
$1,245 USD
View
A
Retailer 6
-
$1,269 USD
£1,000 GBP
View
A
Retailer 7
-
$1,370 USD
€1,305 EUR
View
A
Retailer 8
-
$1,451 USD
View
A
Retailer 9
-
$1,576 USD
ZAR 25,456 ZAR
View
B+
Retailer 10
-
$1,840 USD
View
B+
Retailer 11
-
$2,782 USD
View
B
Retailer 12
-
$2,914 USD
View
B
Retailer 13
-
$2,955 USD
View
B
Retailer 14
-
$3,385 USD
£2,665 GBP
View
B
Retailer 15
-
$3,762 USD
View
Most Expensive
B
Brilliant Earth
22252036A · Oct 29
$5,590 USD
View
15 more retailers have this diamond
Prices start from $827 USDSave up to $4,763 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
$827 USD