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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG799676768

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799676768

Diamond specifications and retailer prices

From $921 NZD
As of November 4, 2026
Save $4,291 NZD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,212 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.2ct lab-grown marquise diamond

This 1.2ct 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 LG799676768 or 799676768. Listed at 23 retailers as of November 4, 2026, with prices from $921 to $5,212, a $4,291 spread on the same certified stone. Brilliant Earth lists it at $5,212. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676768
Dimensions11.25 × 5.53 × 3.39 mm
L/W Ratio2.03
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
11.25 mm5.53 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676768
Side View
Table 58.0%Crown 33.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.3%

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: Nov 4
Current: $5,212 NZD|Low: $921 NZD|High: $5,837 NZD|Avg: $2,486 NZD
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 15$921 NZD
Retailer 6$1,032 NZD
Retailer 10$1,032 NZD
Retailer 5$1,144 NZD
Retailer 21$1,252 NZD
Retailer 18$1,388 NZD
Retailer 4$1,512 NZD
Retailer 9$1,512 NZD
Retailer 19$1,738 NZD
Retailer 13$1,754 NZD
Retailer 11$1,774 NZD
Retailer 16$1,971 NZD
Retailer 17$2,786 NZD
Retailer 20$2,802 NZD
Retailer 3$2,949 NZD
Retailer 22$3,006 NZD
Retailer 8$3,334 NZD
Retailer 14$3,620 NZD
Retailer 7$3,716 NZD
Retailer 12$3,930 NZD
Retailer 2$4,759 NZD
Brilliant Earth$5,212 NZD

42 data points across 22 retailers

23 retailers$921 NZD to $5,212 NZD

A
Cheapest Retailer
-
$921 NZD
A
Retailer 2
-
$1,032 NZD
View
Final sale: no returns
A
Retailer 3
-
$1,032 NZD
View
Retailer 4
-
$1,144 NZD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$1,144 NZD
View
A
Retailer 6
-
$1,252 NZD
View
B+
Retailer 7
-
$1,388 NZD
View
B+
Retailer 8
-
$1,512 NZD
View
B+
Retailer 9
-
$1,512 NZD
View
Retailer 10
-
$1,738 NZD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$1,754 NZD
View
B+
Retailer 12
-
$1,774 NZD
View
B+
Retailer 13
-
$1,971 NZD
View
B
Retailer 14
-
$2,786 NZD
View
Retailer 15
-
$2,802 NZD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$2,949 NZD
View
B+
Retailer 17
-
$3,006 NZD
View
B
Retailer 18
-
$3,334 NZD
View
B
Retailer 19
-
$3,620 NZD
View
B
Retailer 20
-
$3,716 NZD
View
B
Retailer 21
-
$3,930 NZD
View
B
Retailer 22
-
$4,759 NZD
View
Most Expensive
B
Brilliant Earth
19804118A · Nov 4
$5,212 NZD
$2,930 USD
View
22 more retailers have this diamond
Prices start from $921 NZDSave up to $4,291 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
1.20ct Marquise
$921 NZD