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Marquise|Lab Grown|IGI

1.22ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG787623241

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787623241

Diamond specifications and retailer prices

From $742 USD
HK$5,800 HKD
As of November 1, 2026
Save $2,278 USD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,020 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 LG787623241 or 787623241. Listed at 14 retailers as of November 1, 2026, with prices from $742 to $3,020, a $2,278 spread on the same certified stone. Brilliant Earth lists it at $3,020. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623241
Dimensions10.94 × 5.56 × 3.49 mm
L/W Ratio1.97
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
10.94 mm5.56 mm1.22 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623241
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.8%

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: Nov 1
Current: $3,020 USD|Low: $742 USD|High: $3,280 USD|Avg: $1,502 USD|-7.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 9$742 USD
Retailer 10$849 USD
Retailer 13$871 USD
Retailer 3$905 USD
Retailer 8$985 USD
Retailer 2$992 USD
Retailer 6$1,104 USD
Retailer 5$1,136 USD
Retailer 12$1,503 USD
Retailer 11$2,082 USD
Retailer 4$2,521 USD
Retailer 7$2,672 USD
Brilliant Earth$3,020 USD

42 data points across 13 retailers

14 retailers$742 USD to $3,020 USD

A
Cheapest Retailer
-
$742 USD
HK$5,800 HKD
B+
Retailer 2
-
$849 USD
View
B+
Retailer 3
-
$871 USD
View
B+
Retailer 4
-
$905 USD
View
B+
Retailer 5
-
$985 USD
€938 EUR
View
B+
Retailer 6
-
$992 USD
£781 GBP
View
B+
Retailer 7
-
$1,104 USD
ZAR 17,831 ZAR
View
B+
Retailer 8
-
$1,136 USD
A$1,748 AUD
View
Retailer 9
-
$1,503 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$2,082 USD
View
B
Retailer 11
-
$2,405 USD
View
B
Retailer 12
-
$2,521 USD
View
B
Retailer 13
-
$2,672 USD
£2,104 GBP
View
Most Expensive
B
Brilliant Earth
19962022A · Nov 2
$3,020 USD
View
13 more retailers have this diamond
Prices start from $742 USDSave up to $2,278 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
$742 USD