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Marquise|Lab Grown|IGI

1.24ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG821643621

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821643621

Diamond specifications and retailer prices

From $246 USD
As of October 30, 2026
Save $2,114 USD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,360 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.24ct lab-grown marquise diamond

This 1.24ct 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 LG821643621 or 821643621. Listed at 21 retailers as of October 30, 2026, with prices from $246 to $2,360, a $2,114 spread on the same certified stone. Do Amore Diamonds lists it at $2,360. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821643621
Dimensions11.59 × 5.63 × 3.44 mm
L/W Ratio2.06
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
11.59 mm5.63 mm1.24 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821643621
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
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: $2,360 USD|Low: $246 USD|High: $2,360 USD|Avg: $935 USD
Do Amore Diamonds
Retailer 2
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Retailer 21
November 2, 2026
Retailer 21$246 USD
Retailer 5$274 USD
Retailer 20$286 USD
Retailer 3$305 USD
Retailer 15$347 USD
Retailer 10$513 USD
Retailer 2$581 USD
Retailer 16$592 USD
Retailer 8$626 USD
Retailer 14$740 USD
Retailer 18$820 USD
Retailer 19$843 USD
Retailer 4$1,083 USD
Retailer 9$1,251 USD
Retailer 6$1,285 USD
Retailer 7$1,311 USD
Retailer 13$1,350 USD
Retailer 12$1,480 USD
Retailer 11$1,766 USD
Retailer 17$1,820 USD
Do Amore Diamonds$2,360 USD

38 data points across 21 retailers

21 retailers$246 USD to $2,360 USD

A
Cheapest Retailer
-
$246 USD
A
Retailer 2
-
$274 USD
View
Final sale: no returns
A
Retailer 3
-
$286 USD
View
A
Retailer 4
-
$305 USD
View
A
Retailer 5
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$347 USD
£273 GBP
View
A
Retailer 6
-
$513 USD
View
A
Retailer 7
-
$581 USD
ZAR 9,386 ZAR
View
A
Retailer 8
-
$592 USD
£466 GBP
View
A
Retailer 9
-
$626 USD
View
A
Retailer 10
-
$740 USD
A$1,138 AUD
View
B+
Retailer 11
-
$820 USD
A$1,261 AUD
View
B+
Retailer 12
-
$843 USD
View
B+
Retailer 13
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$1,083 USD
View
B+
Retailer 14
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$1,251 USD
View
B+
Retailer 15
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$1,285 USD
SGD 1,737 SGD
View
B+
Retailer 16
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$1,311 USD
£1,032 GBP
View
B+
Retailer 17
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$1,350 USD
£1,063 GBP
View
Retailer 18
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$1,480 USD
View
Price last confirmed 25 days ago
Retailer 19
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$1,766 USD
A$2,717 AUD
View
Price last confirmed 25 days ago
B
Retailer 20
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$1,820 USD
View
Most Expensive
B
Do Amore Diamonds
27-B42EA4907 · Oct 31
$2,360 USD
View
20 more retailers have this diamond
Prices start from $246 USDSave up to $2,114 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
1.24ct Marquise
$246 USD