Cushion|Lab Grown|IGI

1.99ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840635068

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840635068

Diamond specifications and retailer prices

From $778 USD
As of October 28, 2026
Save $3,742 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,715 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 LG840635068 or 840635068. Listed at 15 retailers as of October 28, 2026, with a 481% 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 angle33.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635068
Dimensions8.82 × 6.33 × 4.38 mm
L/W Ratio1.39
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
8.82 mm6.33 mm1.99 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635068
Side View
Table 62.0%Crown 33.8°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 69.2%

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 28
Current: $4,715 USD|Low: $778 USD|High: $5,430 USD|Avg: $2,172 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
Retailer 15
October 31, 2026
Retailer 5$778 USD
Retailer 9$900 USD
Retailer 14$970 USD
Retailer 10$1,271 USD
Retailer 15$1,293 USD
Retailer 11$1,334 USD
Retailer 13$1,459 USD
Retailer 2$1,776 USD
Retailer 3$1,796 USD
Retailer 6$2,611 USD
Retailer 4$2,738 USD
Retailer 7$2,809 USD
Retailer 12$3,363 USD
Retailer 8$4,520 USD
Rare Carat$4,715 USD

16 data points across 15 retailers

15 retailers$778 USD to $4,520 USD

A
Cheapest Retailer
-
$778 USD
Final sale: no returns
A
Retailer 2
-
$900 USD
£709 GBP
View
A
Retailer 3
-
$970 USD
View
A
Retailer 4
-
$1,271 USD
£1,001 GBP
View
A
Retailer 5
-
$1,293 USD
View
A
Retailer 6
-
$1,334 USD
€1,270 EUR
View
A
Retailer 7
-
$1,459 USD
ZAR 23,577 ZAR
View
Retailer 8
-
$1,776 USD
View
A
Retailer 9
-
$1,796 USD
View
B+
Retailer 10
-
$2,611 USD
View
B+
Retailer 11
-
$2,738 USD
View
B+
Retailer 12
-
$2,809 USD
SGD 3,796 SGD
View
B+
Retailer 13
-
$3,363 USD
£2,648 GBP
View
B
Retailer 14
-
$4,520 USD
View
Most Expensive
Rare Carat
PE0686350JJ840 · Oct 21
$4,715 USD
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from $778 USDSave up to $3,742 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
$778 USD