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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG790611664

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611664

Diamond specifications and retailer prices

From $1,640 NZD
As of November 4, 2026
Save $7,219 NZD (81%) vs most expensive(unlock to see where)
23 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 LG790611664 or 790611664. Listed at 23 retailers as of November 4, 2026, with prices from $1,640 to $8,859, a $7,219 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 angle34.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611664
Dimensions11.69 × 6.12 × 3.79 mm
L/W Ratio1.91
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
11.69 mm6.12 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611664
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 39.9°Culet: NoneDepth 61.9%

Caratlytics Score

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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: $8,859 NZD|Low: $1,640 NZD|High: $8,859 NZD|Avg: $3,881 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 17
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Retailer 22
November 5, 2026
Retailer 15$1,640 NZD
Retailer 5$1,784 NZD
Retailer 11$1,836 NZD
Retailer 4$1,902 NZD
Retailer 20$1,902 NZD
Retailer 19$2,208 NZD
Retailer 17$2,215 NZD
Retailer 3$2,259 NZD
Retailer 9$2,279 NZD
Retailer 2$2,901 NZD
Retailer 18$3,021 NZD
Retailer 10$3,051 NZD
Retailer 13$3,499 NZD
Retailer 22$4,232 NZD
Retailer 8$5,258 NZD
Retailer 21$5,349 NZD
Retailer 6$5,952 NZD
Retailer 12$6,221 NZD
Retailer 14$6,383 NZD
Retailer 16$6,452 NZD
Retailer 7$6,614 NZD
Brilliant Earth$8,859 NZD

40 data points across 22 retailers

23 retailers$1,640 NZD to $8,859 NZD

A
Cheapest Retailer
-
$1,640 NZD
A
Retailer 2
-
$1,784 NZD
View
A
Retailer 3
-
$1,836 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,902 NZD
View
Retailer 5
-
$1,902 NZD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$2,208 NZD
View
A
Retailer 7
-
$2,215 NZD
View
A
Retailer 8
-
$2,259 NZD
View
A
Retailer 9
-
$2,279 NZD
View
A
Retailer 10
-
$2,901 NZD
View
Retailer 11
-
$3,021 NZD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$3,051 NZD
View
B+
Retailer 13
-
$3,499 NZD
View
B+
Retailer 14
-
$4,232 NZD
View
B
Retailer 15
-
$5,258 NZD
View
B
Retailer 16
-
$5,349 NZD
View
B+
Retailer 17
-
$5,648 NZD
View
B
Retailer 18
-
$5,952 NZD
View
B
Retailer 19
-
$6,221 NZD
View
B+
Retailer 20
-
$6,383 NZD
View
B
Retailer 21
-
$6,452 NZD
View
B
Retailer 22
-
$6,614 NZD
View
Most Expensive
B
Brilliant Earth
19074327A · Nov 4
$8,859 NZD
$4,980 USD
View
22 more retailers have this diamond
Prices start from $1,640 NZDSave up to $7,219 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
$1,640 NZD