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Marquise|Lab Grown|IGI

1.22ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG628488228

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG628488228

Diamond specifications and retailer prices

From $263 USD
As of October 30, 2026
Save $1,907 USD (88%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,170 USD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628488228 or 628488228. Listed at 27 retailers as of October 29, 2026, with prices from $263 to $2,170, a $1,907 spread on the same certified stone. Do Amore Diamonds lists it at $2,170. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628488228
Dimensions10.94 × 5.58 × 3.54 mm
L/W Ratio1.96
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 mm5.58 mm1.22 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628488228
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.4%

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: $2,170 USD|Low: $227 USD|High: $2,170 USD|Avg: $923 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 9$227 USD
Retailer 18$263 USD
Retailer 7$281 USD
Retailer 6$435 USD
Retailer 5$438 USD
Retailer 15$516 USD
Retailer 21$522 USD
Retailer 17$533 USD
Retailer 13$590 USD
Retailer 14$605 USD
Retailer 8$618 USD
Retailer 10$682 USD
Retailer 20$906 USD
Retailer 3$1,167 USD
Retailer 2$1,244 USD
Retailer 16$1,250 USD
Retailer 11$1,250 USD
Retailer 4$1,277 USD
Retailer 19$1,580 USD
Retailer 12$1,970 USD
Do Amore Diamonds$2,170 USD

37 data points across 21 retailers

27 retailers$263 USD to $2,170 USD

Retailer 1
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$227 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$263 USD
View
Final sale: no returns
Retailer 3
-
$281 USD
View
Price last confirmed 22 days ago
Retailer 4
-
$281 USD
View
Price last confirmed 20 days ago
Retailer 5
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$341 USD
View
Price last confirmed 31 days ago
Retailer 6
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$396 USD
View
Price last confirmed 32 days ago
Retailer 7
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$418 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
$435 USD
HK$3,400 HKD
View
A
Retailer 9
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$438 USD
View
A
Retailer 10
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$516 USD
€491 EUR
View
A
Retailer 11
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$522 USD
View
A
Retailer 12
-
$533 USD
ZAR 8,605 ZAR
View
A
Retailer 13
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$590 USD
£465 GBP
View
A
Retailer 14
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$618 USD
View
A
Retailer 15
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$682 USD
View
B+
Retailer 16
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$906 USD
View
B+
Retailer 17
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$997 USD
View
Retailer 18
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$997 USD
View
Price last confirmed 20 days ago
B+
Retailer 19
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$1,167 USD
View
B+
Retailer 20
-
$1,244 USD
A$1,914 AUD
View
B+
Retailer 21
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$1,250 USD
£984 GBP
View
B+
Retailer 22
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$1,250 USD
SGD 1,689 SGD
View
B+
Retailer 23
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$1,277 USD
View
Retailer 24
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$1,502 USD
View
Price last confirmed 30 days ago
B+
Retailer 25
-
$1,580 USD
View
B
Retailer 26
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$1,970 USD
View
Most Expensive
B
Do Amore Diamonds
27-7CB71A8B0 · Oct 29
$2,170 USD
View
26 more retailers have this diamond
Prices start from $263 USDSave up to $1,907 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
$263 USD