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 $795 USD
As of October 28, 2026
Save $3,665 USD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,710 USD 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 28, 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $4,710 USD|Low: $795 USD|High: $5,520 USD|Avg: $2,307 USD
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
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Retailer 18
October 31, 2026
Retailer 5$795 USD
Retailer 12$856 USD
Retailer 18$930 USD
Retailer 7$1,018 USD
Retailer 13$1,206 USD
Retailer 17$1,231 USD
Retailer 14$1,361 USD
Retailer 16$1,387 USD
Retailer 2$1,751 USD
Retailer 3$1,785 USD
Retailer 8$2,478 USD
Retailer 4$2,604 USD
Retailer 9$2,867 USD
Retailer 6$3,039 USD
Retailer 15$3,197 USD
Retailer 10$4,106 USD
Retailer 11$4,460 USD
Rare Carat$4,710 USD

13 data points across 18 retailers

18 retailers$795 USD to $4,460 USD

A
Cheapest Retailer
-
$795 USD
Final sale: no returns
A
Retailer 2
-
$856 USD
£674 GBP
View
A
Retailer 3
-
$930 USD
View
A
Retailer 4
-
$1,018 USD
View
A
Retailer 5
-
$1,206 USD
£950 GBP
View
A
Retailer 6
-
$1,231 USD
View
A
Retailer 7
-
$1,361 USD
€1,296 EUR
View
A
Retailer 8
-
$1,387 USD
ZAR 22,399 ZAR
View
Retailer 9
-
$1,751 USD
View
A
Retailer 10
-
$1,785 USD
View
B+
Retailer 11
-
$2,478 USD
View
B+
Retailer 12
-
$2,604 USD
View
B+
Retailer 13
-
$2,867 USD
SGD 3,874 SGD
View
B+
Retailer 14
-
$3,039 USD
View
B+
Retailer 15
-
$3,197 USD
£2,517 GBP
View
B
Retailer 16
-
$4,106 USD
View
B
Retailer 17
-
$4,460 USD
View
Most Expensive
Rare Carat
JH-254684 · Oct 21
$4,710 USD
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from $795 USDSave up to $3,665 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
1.99ct Cushion
$795 USD