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Marquise|Lab Grown|IGI

1.22ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG790611808

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611808

Diamond specifications and retailer prices

From $335 USD
As of November 2, 2026
Save $2,115 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,450 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611808 or 790611808. Listed at 22 retailers as of November 2, 2026, with prices from $335 to $2,450, a $2,115 spread on the same certified stone. Brilliant Earth lists it at $2,450. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611808
Dimensions11.10 × 5.54 × 3.47 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
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
11.10 mm5.54 mm1.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611808
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 2
Current: $2,450 USD|Low: $335 USD|High: $3,280 USD|Avg: $1,055 USD|-25.3%
Brilliant Earth
Retailer 2
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Retailer 6
Retailer 7
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Retailer 21
November 3, 2026
Retailer 14$335 USD
Retailer 9$374 USD
Retailer 4$388 USD
Retailer 3$415 USD
Retailer 19$415 USD
Retailer 5$461 USD
Retailer 16$570 USD
Retailer 8$659 USD
Retailer 17$670 USD
Retailer 10$671 USD
Retailer 13$715 USD
Retailer 2$736 USD
Retailer 21$809 USD
Retailer 20$1,217 USD
Retailer 12$1,326 USD
Retailer 18$1,334 USD
Retailer 7$1,377 USD
Retailer 6$1,615 USD
Retailer 11$1,623 USD
Retailer 15$1,662 USD
Brilliant Earth$2,450 USD

40 data points across 21 retailers

22 retailers$335 USD to $2,450 USD

A+
Cheapest Retailer
-
$335 USD
A
Retailer 2
-
$374 USD
View
Final sale: no returns
A
Retailer 3
-
$388 USD
View
Retailer 4
-
$415 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$415 USD
View
A
Retailer 6
-
$461 USD
HK$3,600 HKD
View
A
Retailer 7
-
$570 USD
View
A
Retailer 8
-
$659 USD
View
A
Retailer 9
-
$670 USD
€638 EUR
View
A
Retailer 10
-
$671 USD
View
A
Retailer 11
-
$715 USD
ZAR 11,558 ZAR
View
A
Retailer 12
-
$736 USD
£580 GBP
View
B+
Retailer 13
-
$809 USD
View
B
Retailer 14
-
$1,217 USD
View
B+
Retailer 15
-
$1,326 USD
SGD 1,792 SGD
View
B+
Retailer 16
-
$1,334 USD
View
B
Retailer 17
-
$1,377 USD
View
B
Retailer 18
-
$1,615 USD
£1,272 GBP
View
B
Retailer 19
-
$1,623 USD
View
B
Retailer 20
-
$1,662 USD
£1,309 GBP
View
B
Retailer 21
-
$2,405 USD
View
Most Expensive
B
Brilliant Earth
19074408A · Nov 2
$2,450 USD
View
21 more retailers have this diamond
Prices start from $335 USDSave up to $2,115 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+
1.22ct Marquise
$335 USD