Marquise|Lab Grown|IGI

1.24ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG847675944

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847675944

Diamond specifications and retailer prices

From $209 USD
As of November 2, 2026
Save $1,631 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,840 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG847675944 or 847675944. Listed at 14 retailers as of October 31, 2026, with prices from $209 to $1,840, a $1,631 spread on the same certified stone. Brilliant Earth lists it at $1,840. 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 angle32.4°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847675944
Dimensions11.56 × 5.60 × 3.35 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
11.56 mm5.60 mm1.24 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847675944
Side View
Table 59.0%Crown 32.4°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 59.8%

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: Nov 2
Current: $1,840 USD|Low: $209 USD|High: $2,140 USD|Avg: $918 USD|-14.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 7$209 USD
Retailer 8$243 USD
Retailer 2$267 USD
Retailer 10$414 USD
Retailer 4$446 USD
Retailer 5$490 USD
Retailer 12$806 USD
Retailer 11$833 USD
Retailer 13$843 USD
Retailer 9$1,039 USD
Retailer 14$1,089 USD
Retailer 6$1,475 USD
Retailer 3$1,723 USD
Brilliant Earth$1,840 USD

6 data points across 14 retailers

14 retailers$209 USD to $1,840 USD

A
Cheapest Retailer
-
$209 USD
A
Retailer 2
-
$243 USD
View
A
Retailer 3
-
$267 USD
£210 GBP
View
A
Retailer 4
-
$414 USD
View
A
Retailer 5
-
$446 USD
View
A
Retailer 6
-
$490 USD
View
B+
Retailer 7
-
$806 USD
View
B+
Retailer 8
-
$833 USD
View
B+
Retailer 9
-
$843 USD
View
B+
Retailer 10
-
$1,039 USD
£818 GBP
View
B+
Retailer 11
-
$1,089 USD
View
B
Retailer 12
-
$1,475 USD
View
B
Retailer 13
-
$1,723 USD
A$2,651 AUD
View
Most Expensive
B
Brilliant Earth
22337006A · Oct 31
$1,840 USD
View
13 more retailers have this diamond
Prices start from $209 USDSave up to $1,631 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
$209 USD