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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG639487558

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG639487558

Diamond specifications and retailer prices

From $498 USD
As of November 1, 2026
Save $1,663 USD (77%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $2,161 USD at With Clarity · As of November 2, 2026
View at With Clarity

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 LG639487558 or 639487558. Listed at 30 retailers as of November 1, 2026, with prices from $498 to $2,161, a $1,663 spread on the same certified stone. With Clarity lists it at $2,161. 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 angle32.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639487558
Dimensions10.94 × 5.62 × 3.47 mm
L/W Ratio1.95
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
10.94 mm5.62 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639487558
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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 1
Current: $954 USD|Low: $274 USD|High: $2,161 USD|Avg: $1,193 USD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
With Clarity
November 2, 2026
Retailer 15$274 USD
Retailer 2$498 USD
Retailer 14$553 USD
Retailer 5$640 USD
Retailer 17$710 USD
Retailer 7$779 USD
Retailer 10$782 USD
Retailer 9$848 USD
Retailer 20$854 USD
Retailer 12$907 USD
Retailer 1$954 USD
Retailer 21$1,045 USD
Retailer 8$1,288 USD
Retailer 19$1,348 USD
Retailer 4$1,487 USD
Retailer 3$1,525 USD
Retailer 6$1,811 USD
Retailer 18$1,816 USD
Retailer 13$1,849 USD
Retailer 11$1,979 USD
Retailer 16$2,032 USD
Retailer 22$2,110 USD
With Clarity$2,161 USD

32 data points across 23 retailers

30 retailers$498 USD to $2,161 USD

Retailer 1
-
$274 USD
Price last confirmed 25 days ago
Retailer 2
-
$464 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$498 USD
View
Final sale: no returns
Retailer 4
-
$519 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$553 USD
View
Price last confirmed 25 days ago
Retailer 6
-
$553 USD
View
Price last confirmed 23 days ago
Retailer 7
-
$567 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
$640 USD
HK$5,000 HKD
View
A
Retailer 9
-
$710 USD
View
A
Retailer 10
-
$779 USD
View
A
Retailer 11
-
$782 USD
View
B+
Retailer 12
-
$848 USD
View
B+
Retailer 13
-
$854 USD
€813 EUR
View
B+
Retailer 14
-
$907 USD
£714 GBP
View
B+
Retailer 15
-
$954 USD
ZAR 15,412 ZAR
View
B+
Retailer 16
-
$1,045 USD
A$1,608 AUD
View
Retailer 17
-
$1,288 USD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
$1,348 USD
A$2,074 AUD
View
B
Retailer 19
-
$1,487 USD
View
B+
Retailer 20
-
$1,525 USD
View
B
Retailer 21
-
$1,778 USD
View
Retailer 22
-
$1,778 USD
View
Price last confirmed 23 days ago
B
Retailer 23
-
$1,811 USD
View
B
Retailer 24
-
$1,816 USD
A$2,794 AUD
View
Retailer 25
-
$1,848 USD
View
Price last confirmed 33 days ago
B
Retailer 26
-
$1,849 USD
SGD 2,499 SGD
View
B
Retailer 27
-
$1,979 USD
View
B
Retailer 28
-
$2,032 USD
£1,600 GBP
View
Retailer 29
-
$2,110 USD
View
Price last confirmed 7 days ago
Most Expensive
B
With Clarity
639487558 · Nov 2
$2,161 USD
View
29 more retailers have this diamond
Prices start from $498 USDSave up to $1,663 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
$498 USD