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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG625448677

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG625448677

Diamond specifications and retailer prices

From $446 USD
As of November 2, 2026
Save $1,984 USD (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,430 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625448677 or 625448677. Listed at 25 retailers as of November 2, 2026, with prices from $446 to $2,430, a $1,984 spread on the same certified stone. Brilliant Earth lists it at $2,430. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625448677
Dimensions11.47 × 5.44 × 3.40 mm
L/W Ratio2.11
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
11.47 mm5.44 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625448677
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.5%

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: Nov 2
Current: $2,430 USD|Low: $274 USD|High: $2,640 USD|Avg: $1,262 USD|+12.5%
Brilliant Earth
Retailer 2
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Retailer 25
November 2, 2026
Retailer 6$446 USD
Retailer 3$500 USD
Retailer 19$548 USD
Retailer 5$553 USD
Retailer 9$640 USD
Retailer 20$695 USD
Retailer 11$779 USD
Retailer 15$782 USD
Retailer 14$848 USD
Retailer 22$854 USD
Retailer 13$907 USD
Retailer 2$954 USD
Retailer 24$1,045 USD
Retailer 12$1,288 USD
Retailer 8$1,487 USD
Retailer 4$1,525 USD
Retailer 7$1,778 USD
Retailer 10$1,811 USD
Retailer 21$1,816 USD
Retailer 17$1,849 USD
Retailer 25$1,901 USD
Retailer 16$1,979 USD
Retailer 23$2,043 USD
Retailer 18$2,161 USD
Brilliant Earth$2,430 USD

26 data points across 25 retailers

25 retailers$446 USD to $2,430 USD

A
Cheapest Retailer
-
$446 USD
A
Retailer 2
-
$500 USD
View
A
Retailer 3
-
$548 USD
View
Final sale: no returns
A
Retailer 4
-
$553 USD
View
A
Retailer 5
-
$640 USD
HK$5,000 HKD
View
A
Retailer 6
-
$695 USD
View
B+
Retailer 7
-
$779 USD
View
B+
Retailer 8
-
$782 USD
View
B+
Retailer 9
-
$848 USD
View
B+
Retailer 10
-
$854 USD
€813 EUR
View
B+
Retailer 11
-
$907 USD
£714 GBP
View
B+
Retailer 12
-
$954 USD
ZAR 15,412 ZAR
View
B+
Retailer 13
-
$1,045 USD
A$1,608 AUD
View
Retailer 14
-
$1,288 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$1,487 USD
View
B+
Retailer 16
-
$1,525 USD
View
B
Retailer 17
-
$1,778 USD
View
B
Retailer 18
-
$1,811 USD
View
B
Retailer 19
-
$1,816 USD
A$2,794 AUD
View
B
Retailer 20
-
$1,849 USD
SGD 2,499 SGD
View
B
Retailer 21
-
$1,901 USD
View
B
Retailer 22
-
$1,979 USD
View
B
Retailer 23
-
$2,043 USD
£1,609 GBP
View
B
Retailer 24
-
$2,161 USD
View
Most Expensive
B
Brilliant Earth
9771282A · Nov 2
$2,430 USD
View
24 more retailers have this diamond
Prices start from $446 USDSave up to $1,984 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
$446 USD