Cushion|Lab Grown|IGI

1.17ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663310

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663310

Diamond specifications and retailer prices

From $412 USD
£325 GBP
As of October 30, 2026
Save $2,148 USD (84%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,560 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.17ct lab-grown cushion diamond

This 1.17ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663310 or 846663310. Listed at 7 retailers as of October 29, 2026, with prices from $412 to $2,560, a $2,148 spread on the same certified stone. Brilliant Earth lists it at $2,560. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663310
Dimensions7.25 × 5.52 × 3.76 mm
L/W Ratio1.31
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
7.25 mm5.52 mm1.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663310
Side View
Table 63.0%Crown 38.5°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A+
Exceptional
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: $648 USD|Low: $412 USD|High: $1,900 USD|Avg: $899 USD|-9.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2$412 USD
Retailer 3$600 USD
Retailer 1$648 USD
Retailer 4$793 USD
Retailer 5$822 USD
Retailer 6$1,900 USD

5 data points across 6 retailers

7 retailers$412 USD to $2,560 USD

A+
Cheapest Retailer
-
$412 USD
£325 GBP
A
Retailer 2
-
$600 USD
View
A
Retailer 3
-
$648 USD
View
A
Retailer 4
-
$793 USD
View
A
Retailer 5
-
$822 USD
€783 EUR
View
B
Retailer 6
-
$1,900 USD
View
Most Expensive
B
Brilliant Earth
22315377A · Oct 29
$2,560 USD
View
6 more retailers have this diamond
Prices start from $412 USDSave up to $2,148 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+
1.17ct Cushion
$412 USD