CaratHunter
Plans
Cushion|Lab Grown|IGI

1.90ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG811638094

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811638094

Diamond specifications and retailer prices

From $981 AUD
$689 USD
As of October 31, 2026
Save $5,084 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,413 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.9ct lab-grown cushion diamond

This 1.9ct 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 LG811638094 or 811638094. Listed at 17 retailers as of October 30, 2026, with a 518% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638094
Dimensions9.11 × 6.11 × 4.19 mm
L/W Ratio1.49
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
9.11 mm6.11 mm1.90 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638094
Side View
Table 62.0%Crown 34°Girdle: MED-THKPavilion 33.8°Culet: NoneDepth 68.6%

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 31
Current: $6,413 AUD|Low: $981 AUD|High: $8,684 AUD|Avg: $3,126 AUD|-1.0%
Rare Carat
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 9$981 AUD
Retailer 8$1,162 AUD
Retailer 11$1,267 AUD
Retailer 15$1,667 AUD
Retailer 10$1,703 AUD
Retailer 2$1,726 AUD
Retailer 13$1,869 AUD
Retailer 16$2,330 AUD
Retailer 6$2,359 AUD
Retailer 4$3,168 AUD
Retailer 5$3,469 AUD
Retailer 3$3,513 AUD
Retailer 7$3,593 AUD
Retailer 14$4,726 AUD
Retailer 12$6,065 AUD
Rare Carat$6,413 AUD

27 data points across 16 retailers

17 retailers$981 AUD to $6,065 AUD

A
Cheapest Retailer
-
$981 AUD
$689 USD
Final sale: no returns
Retailer 2
-
$1,162 AUD
$816 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,267 AUD
$890 USD
View
A
Retailer 4
-
$1,667 AUD
$1,171 USD
View
A
Retailer 5
-
$1,703 AUD
£942 GBP
View
A
Retailer 6
-
$1,726 AUD
€1,155 EUR
View
A
Retailer 7
-
$1,869 AUD
ZAR 21,205 ZAR
View
A
Retailer 8
-
$2,330 AUD
$1,637 USD
View
A
Retailer 9
-
$2,359 AUD
$1,657 USD
View
B+
Retailer 10
-
$3,168 AUD
£1,752 GBP
View
B+
Retailer 11
-
$3,337 AUD
$2,344 USD
View
B+
Retailer 12
-
$3,469 AUD
$2,437 USD
View
B+
Retailer 13
-
$3,513 AUD
$2,468 USD
View
B+
Retailer 14
-
$3,593 AUD
SGD 3,411 SGD
View
B+
Retailer 15
-
$4,726 AUD
£2,614 GBP
View
B
Retailer 16
-
$6,065 AUD
$4,260 USD
View
Most Expensive
Rare Carat
PD0946380JJ811 · Oct 21
$6,413 AUD
$4,505 USD
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from $981 AUDSave up to $5,084 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
1.90ct Cushion
$981 AUD