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Marquise|Lab Grown|IGI

1.24ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG743550678

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743550678

Diamond specifications and retailer prices

From $690 NZD
As of November 4, 2026
Save $3,010 NZD (81%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $3,700 NZD at Brilliant Earth · As of November 4, 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 LG743550678 or 743550678. Listed at 30 retailers as of November 4, 2026, with prices from $690 to $3,700, a $3,010 spread on the same certified stone. Brilliant Earth lists it at $3,700. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743550678
Dimensions10.90 × 5.59 × 3.57 mm
L/W Ratio1.95
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
10.90 mm5.59 mm1.24 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743550678
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.9%

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 4
Current: $3,700 NZD|Low: $495 NZD|High: $4,767 NZD|Avg: $2,217 NZD|-5.5%
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
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 5, 2026
Retailer 16$495 NZD
Retailer 21$690 NZD
Retailer 19$888 NZD
Retailer 14$1,000 NZD
Retailer 18$1,005 NZD
Retailer 3$1,082 NZD
Retailer 13$1,361 NZD
Retailer 12$1,402 NZD
Retailer 2$1,487 NZD
Retailer 10$1,541 NZD
Retailer 9$1,722 NZD
Retailer 7$1,747 NZD
Retailer 20$1,866 NZD
Retailer 23$2,243 NZD
Retailer 22$2,458 NZD
Retailer 8$2,533 NZD
Retailer 5$2,565 NZD
Retailer 11$2,722 NZD
Retailer 6$2,930 NZD
Retailer 4$2,955 NZD
Retailer 17$2,980 NZD
Retailer 15$3,102 NZD
Brilliant Earth$3,700 NZD

28 data points across 23 retailers

30 retailers$690 NZD to $3,700 NZD

Retailer 1
-
$495 NZD
Price last confirmed 28 days ago
A
Retailer 2
-
$690 NZD
View
Final sale: no returns
Retailer 3
-
$838 NZD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$888 NZD
View
Retailer 5
-
$937 NZD
View
Price last confirmed 37 days ago
Retailer 6
-
$1,000 NZD
View
Price last confirmed 28 days ago
Retailer 7
-
$1,000 NZD
View
Price last confirmed 26 days ago
A
Retailer 8
-
$1,005 NZD
View
Retailer 9
-
$1,025 NZD
View
Price last confirmed 36 days ago
Retailer 10
-
$1,025 NZD
View
Price last confirmed 39 days ago
A
Retailer 11
-
$1,082 NZD
View
A
Retailer 12
-
$1,361 NZD
View
B+
Retailer 13
-
$1,402 NZD
View
B+
Retailer 14
-
$1,487 NZD
View
Retailer 15
-
$1,541 NZD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$1,722 NZD
View
B+
Retailer 17
-
$1,747 NZD
View
B+
Retailer 18
-
$1,866 NZD
View
B+
Retailer 19
-
$2,243 NZD
View
B+
Retailer 20
-
$2,458 NZD
View
B+
Retailer 21
-
$2,533 NZD
View
B
Retailer 22
-
$2,565 NZD
View
Retailer 23
-
$2,722 NZD
View
Price last confirmed 8 days ago
B
Retailer 24
-
$2,930 NZD
View
B
Retailer 25
-
$2,955 NZD
View
B
Retailer 26
-
$2,980 NZD
View
Retailer 27
-
$3,102 NZD
View
Price last confirmed 28 days ago
Retailer 28
-
$3,213 NZD
View
Price last confirmed 26 days ago
Retailer 29
-
$3,337 NZD
View
Price last confirmed 36 days ago
Most Expensive
B
Brilliant Earth
16656237A · Nov 4
$3,700 NZD
$2,080 USD
View
29 more retailers have this diamond
Prices start from $690 NZDSave up to $3,010 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
$690 NZD