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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 $438 NZD
As of November 4, 2026
Save $3,761 NZD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,198 NZD at Do Amore Diamonds · As of November 4, 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 November 4, 2026, with prices from $438 to $4,198, a $3,761 spread on the same certified stone. Do Amore Diamonds lists it at $4,198. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,198 NZD|Low: $438 NZD|High: $4,198 NZD|Avg: $1,651 NZD
Do Amore Diamonds
Retailer 2
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Retailer 21
November 5, 2026
Retailer 21$438 NZD
Retailer 5$487 NZD
Retailer 20$509 NZD
Retailer 3$543 NZD
Retailer 2$612 NZD
Retailer 10$913 NZD
Retailer 18$1,032 NZD
Retailer 13$1,042 NZD
Retailer 8$1,114 NZD
Retailer 14$1,315 NZD
Retailer 16$1,469 NZD
Retailer 17$1,523 NZD
Retailer 4$1,927 NZD
Retailer 9$2,224 NZD
Retailer 6$2,286 NZD
Retailer 7$2,330 NZD
Retailer 15$2,394 NZD
Retailer 12$2,633 NZD
Retailer 11$3,142 NZD
Retailer 19$3,238 NZD
Do Amore Diamonds$4,198 NZD

37 data points across 21 retailers

21 retailers$438 NZD to $4,198 NZD

A
Cheapest Retailer
-
$438 NZD
A
Retailer 2
-
$487 NZD
View
Final sale: no returns
A
Retailer 3
-
$509 NZD
View
A
Retailer 4
-
$543 NZD
View
A
Retailer 5
-
$612 NZD
View
A
Retailer 6
-
$913 NZD
View
A
Retailer 7
-
$1,032 NZD
View
A
Retailer 8
-
$1,042 NZD
View
A
Retailer 9
-
$1,114 NZD
View
A
Retailer 10
-
$1,315 NZD
View
B+
Retailer 11
-
$1,469 NZD
View
B+
Retailer 12
-
$1,523 NZD
View
B+
Retailer 13
-
$1,927 NZD
View
B+
Retailer 14
-
$2,224 NZD
View
B+
Retailer 15
-
$2,286 NZD
View
B+
Retailer 16
-
$2,330 NZD
View
B+
Retailer 17
-
$2,394 NZD
View
Retailer 18
-
$2,633 NZD
View
Price last confirmed 29 days ago
Retailer 19
-
$3,142 NZD
View
Price last confirmed 28 days ago
B
Retailer 20
-
$3,238 NZD
View
Most Expensive
B
Do Amore Diamonds
27-B42EA4907 · Nov 4
$4,198 NZD
$2,360 USD
View
20 more retailers have this diamond
Prices start from $438 NZDSave up to $3,761 NZD

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
$438 NZD