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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754563664

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754563664

Diamond specifications and retailer prices

From $404 USD
As of October 30, 2026
Save $3,186 USD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,590 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG754563664 or 754563664. Listed at 25 retailers as of October 30, 2026, with prices from $404 to $3,590, a $3,186 spread on the same certified stone. Do Amore Diamonds lists it at $3,590. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563664
Dimensions10.83 × 5.57 × 3.51 mm
L/W Ratio1.94
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
10.83 mm5.57 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563664
Side View
Table 60.0%Crown 36.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.0%

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 30
Current: $3,590 USD|Low: $403 USD|High: $3,730 USD|Avg: $1,254 USD|-3.8%
Do Amore Diamonds
Retailer 2
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Retailer 25
November 1, 2026
Retailer 6$404 USD
Retailer 25$453 USD
Retailer 10$498 USD
Retailer 4$501 USD
Retailer 5$573 USD
Retailer 15$643 USD
Retailer 3$645 USD
Retailer 9$704 USD
Retailer 11$732 USD
Retailer 16$782 USD
Retailer 22$854 USD
Retailer 13$915 USD
Retailer 24$951 USD
Retailer 23$1,052 USD
Retailer 14$1,288 USD
Retailer 21$1,348 USD
Retailer 8$1,406 USD
Retailer 7$1,778 USD
Retailer 19$1,816 USD
Retailer 17$1,836 USD
Retailer 12$1,928 USD
Retailer 2$2,032 USD
Retailer 18$2,053 USD
Retailer 20$2,170 USD
Do Amore Diamonds$3,590 USD

31 data points across 25 retailers

25 retailers$404 USD to $3,590 USD

A
Cheapest Retailer
-
$404 USD
A
Retailer 2
-
$453 USD
View
A
Retailer 3
-
$498 USD
View
Final sale: no returns
A
Retailer 4
-
$501 USD
View
Retailer 5
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$573 USD
£451 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
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$643 USD
View
A
Retailer 7
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$645 USD
View
A
Retailer 8
-
$704 USD
HK$5,500 HKD
View
A
Retailer 9
-
$732 USD
View
A
Retailer 10
-
$782 USD
View
B+
Retailer 11
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$854 USD
€813 EUR
View
B+
Retailer 12
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$915 USD
£720 GBP
View
B+
Retailer 13
-
$951 USD
ZAR 15,358 ZAR
View
B+
Retailer 14
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$1,052 USD
A$1,618 AUD
View
Retailer 15
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$1,288 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$1,348 USD
A$2,074 AUD
View
B
Retailer 17
-
$1,406 USD
View
B+
Retailer 18
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$1,778 USD
View
B
Retailer 19
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$1,816 USD
A$2,794 AUD
View
B
Retailer 20
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$1,836 USD
View
B
Retailer 21
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$1,928 USD
View
B
Retailer 22
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$2,032 USD
£1,600 GBP
View
B
Retailer 23
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$2,053 USD
SGD 2,774 SGD
View
B
Retailer 24
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$2,170 USD
View
Most Expensive
B
Do Amore Diamonds
27-D5960985F · Oct 31
$3,590 USD
View
24 more retailers have this diamond
Prices start from $404 USDSave up to $3,186 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
$404 USD