Cushion|Lab Grown|IGI

1.91ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818683328

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818683328

Diamond specifications and retailer prices

From $974 USD
As of October 29, 2026
Save $5,206 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,180 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.91ct lab-grown cushion diamond

This 1.91ct 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 LG818683328 or 818683328. Listed at 12 retailers as of October 29, 2026, with prices from $974 to $6,180, a $5,206 spread on the same certified stone. Do Amore Diamonds lists it at $6,180. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683328
Dimensions8.68 × 6.55 × 4.33 mm
L/W Ratio1.33
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
8.68 mm6.55 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683328
Side View
Table 59.0%Crown 36.1°Girdle: MED-THKPavilion 34.1°Culet: NoneDepth 66.1%

Caratlytics Score

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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 29
Current: $6,180 USD|Low: $974 USD|High: $8,580 USD|Avg: $3,100 USD|-28.0%
Do Amore Diamonds
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
October 30, 2026
Retailer 10$974 USD
Retailer 14$1,005 USD
Retailer 9$1,311 USD
Retailer 3$1,331 USD
Retailer 7$1,506 USD
Retailer 4$1,590 USD
Retailer 12$2,373 USD
Retailer 8$3,357 USD
Retailer 5$3,653 USD
Retailer 6$3,892 USD
Retailer 11$3,926 USD
Retailer 13$4,490 USD
Retailer 2$4,540 USD
Do Amore Diamonds$6,180 USD

35 data points across 14 retailers

12 retailers$974 USD to $6,180 USD

A
Cheapest Retailer
-
$974 USD
A
Retailer 2
-
$1,005 USD
View
A
Retailer 3
-
$1,311 USD
View
A
Retailer 4
-
$1,331 USD
View
A
Retailer 5
-
$1,506 USD
€1,434 EUR
View
Retailer 6
-
$1,590 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$2,373 USD
View
B+
Retailer 8
-
$3,357 USD
£2,643 GBP
View
B+
Retailer 9
-
$3,926 USD
View
Retailer 10
-
$4,490 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$4,540 USD
View
Most Expensive
B
Do Amore Diamonds
27-56F52F96D · Oct 29
$6,180 USD
View
11 more retailers have this diamond
Prices start from $974 USDSave up to $5,206 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
1.91ct Cushion
$974 USD