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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 $1,387 AUD
$974 USD
As of October 30, 2026
Save $7,411 AUD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,798 AUD at Do Amore Diamonds · As of October 31, 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 30, 2026, with prices from $1,387 to $8,798, a $7,411 spread on the same certified stone. Do Amore Diamonds lists it at $8,798. 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
Colour
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

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: $8,798 AUD|Low: $1,387 AUD|High: $12,214 AUD|Avg: $4,403 AUD|-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 31, 2026
Retailer 10$1,387 AUD
Retailer 14$1,431 AUD
Retailer 9$1,866 AUD
Retailer 3$1,895 AUD
Retailer 2$2,129 AUD
Retailer 4$2,264 AUD
Retailer 12$3,378 AUD
Retailer 8$4,778 AUD
Retailer 5$5,200 AUD
Retailer 6$5,541 AUD
Retailer 11$5,589 AUD
Retailer 13$6,392 AUD
Retailer 7$6,463 AUD
Do Amore Diamonds$8,798 AUD

35 data points across 14 retailers

12 retailers$1,387 AUD to $8,798 AUD

A
Cheapest Retailer
-
$1,387 AUD
$974 USD
A
Retailer 2
-
$1,431 AUD
$1,005 USD
View
A
Retailer 3
-
$1,866 AUD
$1,311 USD
View
A
Retailer 4
-
$1,895 AUD
$1,331 USD
View
A
Retailer 5
-
$2,129 AUD
€1,424 EUR
View
Retailer 6
-
$2,264 AUD
$1,590 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,378 AUD
$2,373 USD
View
B+
Retailer 8
-
$4,778 AUD
£2,643 GBP
View
B+
Retailer 9
-
$5,589 AUD
$3,926 USD
View
Retailer 10
-
$6,392 AUD
$4,490 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$6,463 AUD
$4,540 USD
View
Most Expensive
B
Do Amore Diamonds
27-56F52F96D · Oct 31
$8,798 AUD
$6,180 USD
View
11 more retailers have this diamond
Prices start from $1,387 AUDSave up to $7,411 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
1.91ct Cushion
$1,387 AUD