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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611819

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611819

Diamond specifications and retailer prices

From $1,663 NZD
As of November 4, 2026
Save $7,196 NZD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,859 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611819 or 790611819. Listed at 24 retailers as of November 4, 2026, with prices from $1,663 to $8,859, a $7,196 spread on the same certified stone. Brilliant Earth lists it at $8,859. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611819
Dimensions11.81 × 6.10 × 3.82 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
11.81 mm6.10 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611819
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.6%

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: $8,859 NZD|Low: $1,663 NZD|High: $8,859 NZD|Avg: $3,995 NZD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 22
November 5, 2026
Retailer 15$1,663 NZD
Retailer 5$1,809 NZD
Retailer 11$1,863 NZD
Retailer 4$1,930 NZD
Retailer 19$1,930 NZD
Retailer 3$2,231 NZD
Retailer 17$2,241 NZD
Retailer 22$2,265 NZD
Retailer 9$2,304 NZD
Retailer 2$2,946 NZD
Retailer 18$3,067 NZD
Retailer 10$3,090 NZD
Retailer 16$3,549 NZD
Retailer 21$4,292 NZD
Retailer 8$5,340 NZD
Retailer 20$5,426 NZD
Retailer 6$6,038 NZD
Retailer 12$6,296 NZD
Retailer 14$6,475 NZD
Retailer 13$6,545 NZD
Retailer 7$6,712 NZD
Brilliant Earth$8,859 NZD

38 data points across 22 retailers

24 retailers$1,663 NZD to $8,859 NZD

A
Cheapest Retailer
-
$1,663 NZD
A
Retailer 2
-
$1,809 NZD
View
A
Retailer 3
-
$1,863 NZD
View
Final sale: no returns
Retailer 4
-
$1,930 NZD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$1,930 NZD
View
A
Retailer 6
-
$2,231 NZD
View
A
Retailer 7
-
$2,241 NZD
View
A
Retailer 8
-
$2,265 NZD
View
A
Retailer 9
-
$2,304 NZD
View
A
Retailer 10
-
$2,946 NZD
View
Retailer 11
-
$3,067 NZD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$3,090 NZD
View
B+
Retailer 13
-
$3,549 NZD
View
B+
Retailer 14
-
$4,292 NZD
View
B
Retailer 15
-
$5,340 NZD
View
B
Retailer 16
-
$5,426 NZD
View
B+
Retailer 17
-
$5,732 NZD
View
B
Retailer 18
-
$6,038 NZD
View
B
Retailer 19
-
$6,296 NZD
View
B
Retailer 20
-
$6,475 NZD
View
B
Retailer 21
-
$6,545 NZD
View
Retailer 22
-
$6,690 NZD
View
Price last confirmed 88 days ago
B
Retailer 23
-
$6,712 NZD
View
Most Expensive
B
Brilliant Earth
19074259A · Nov 4
$8,859 NZD
$4,980 USD
View
23 more retailers have this diamond
Prices start from $1,663 NZDSave up to $7,196 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
1.55ct Marquise
$1,663 NZD