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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG764689885

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG764689885

Diamond specifications and retailer prices

From $781 NZD
As of November 4, 2026
Save $3,684 NZD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,465 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 LG764689885 or 764689885. Listed at 23 retailers as of November 4, 2026, with prices from $781 to $4,465, a $3,684 spread on the same certified stone. Brilliant Earth lists it at $4,465. 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 angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764689885
Dimensions10.74 × 5.53 × 3.48 mm
L/W Ratio1.94
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
10.74 mm5.53 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764689885
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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: $4,465 NZD|Low: $781 NZD|High: $5,212 NZD|Avg: $2,153 NZD|-14.3%
Brilliant Earth
Retailer 2
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November 5, 2026
Retailer 16$781 NZD
Retailer 10$873 NZD
Retailer 7$875 NZD
Retailer 5$968 NZD
Retailer 23$968 NZD
Retailer 6$1,069 NZD
Retailer 19$1,227 NZD
Retailer 9$1,370 NZD
Retailer 4$1,464 NZD
Retailer 11$1,521 NZD
Retailer 20$1,535 NZD
Retailer 13$1,585 NZD
Retailer 18$1,669 NZD
Retailer 2$2,368 NZD
Retailer 3$2,603 NZD
Retailer 21$2,731 NZD
Retailer 8$2,818 NZD
Retailer 14$3,072 NZD
Retailer 22$3,113 NZD
Retailer 15$3,172 NZD
Retailer 12$3,480 NZD
Retailer 17$3,545 NZD
Brilliant Earth$4,465 NZD

38 data points across 23 retailers

23 retailers$781 NZD to $4,465 NZD

A
Cheapest Retailer
-
$781 NZD
A
Retailer 2
-
$873 NZD
View
Final sale: no returns
A
Retailer 3
-
$875 NZD
View
Retailer 4
-
$968 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$968 NZD
View
A
Retailer 6
-
$1,069 NZD
View
A
Retailer 7
-
$1,227 NZD
View
B+
Retailer 8
-
$1,370 NZD
View
B+
Retailer 9
-
$1,464 NZD
View
B+
Retailer 10
-
$1,521 NZD
View
Retailer 11
-
$1,535 NZD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$1,585 NZD
View
B+
Retailer 13
-
$1,669 NZD
View
B+
Retailer 14
-
$2,368 NZD
View
B
Retailer 15
-
$2,603 NZD
View
Retailer 16
-
$2,731 NZD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$2,818 NZD
View
B
Retailer 18
-
$3,072 NZD
View
B
Retailer 19
-
$3,113 NZD
View
B
Retailer 20
-
$3,172 NZD
View
B
Retailer 21
-
$3,480 NZD
View
B
Retailer 22
-
$3,545 NZD
View
Most Expensive
B
Brilliant Earth
19056600A · Nov 4
$4,465 NZD
$2,510 USD
View
22 more retailers have this diamond
Prices start from $781 NZDSave up to $3,684 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
$781 NZD