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Cushion|Lab Grown|IGI

1.99ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840634460

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG840634460

Diamond specifications and retailer prices

From $1,132 AUD
$795 USD
As of October 31, 2026
Save $5,217 AUD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,705 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.99ct lab-grown cushion diamond

This 1.99ct 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 LG840634460 or 840634460. Listed at 18 retailers as of October 30, 2026, with a 461% 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

1.99
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634460
Dimensions7.15 × 7.14 × 4.59 mm
L/W Ratio1.00
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
7.15 mm7.14 mm1.99 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634460
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 64.3%

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: $6,705 AUD|Low: $1,132 AUD|High: $7,858 AUD|Avg: $3,284 AUD
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 5$1,132 AUD
Retailer 14$1,218 AUD
Retailer 18$1,324 AUD
Retailer 7$1,449 AUD
Retailer 11$1,717 AUD
Retailer 17$1,752 AUD
Retailer 2$1,925 AUD
Retailer 16$1,974 AUD
Retailer 12$2,493 AUD
Retailer 3$2,541 AUD
Retailer 8$3,528 AUD
Retailer 4$3,707 AUD
Retailer 9$4,081 AUD
Retailer 6$4,326 AUD
Retailer 15$4,551 AUD
Retailer 10$5,845 AUD
Retailer 13$6,349 AUD
Rare Carat$6,705 AUD

13 data points across 18 retailers

18 retailers$1,132 AUD to $6,349 AUD

A
Cheapest Retailer
-
$1,132 AUD
$795 USD
Final sale: no returns
A
Retailer 2
-
$1,218 AUD
£674 GBP
View
A
Retailer 3
-
$1,324 AUD
$930 USD
View
A
Retailer 4
-
$1,449 AUD
$1,018 USD
View
A
Retailer 5
-
$1,717 AUD
£950 GBP
View
A
Retailer 6
-
$1,752 AUD
$1,231 USD
View
A
Retailer 7
-
$1,925 AUD
€1,288 EUR
View
A
Retailer 8
-
$1,974 AUD
ZAR 22,399 ZAR
View
A
Retailer 9
-
$2,493 AUD
$1,751 USD
View
A
Retailer 10
-
$2,541 AUD
$1,785 USD
View
B+
Retailer 11
-
$3,528 AUD
$2,478 USD
View
B+
Retailer 12
-
$3,707 AUD
$2,604 USD
View
B+
Retailer 13
-
$4,081 AUD
SGD 3,874 SGD
View
B+
Retailer 14
-
$4,326 AUD
$3,039 USD
View
B+
Retailer 15
-
$4,551 AUD
£2,517 GBP
View
B
Retailer 16
-
$5,845 AUD
$4,106 USD
View
B
Retailer 17
-
$6,349 AUD
$4,460 USD
View
Most Expensive
Rare Carat
JH-254684 · Oct 21
$6,705 AUD
$4,710 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from $1,132 AUDSave up to $5,217 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
1.99ct Cushion
$1,132 AUD