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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG811619399

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619399

Diamond specifications and retailer prices

From $1,829 NZD
As of November 4, 2026
Save $7,048 NZD (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $8,877 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 LG811619399 or 811619399. Listed at 25 retailers as of November 4, 2026, with prices from $1,829 to $8,877, a $7,048 spread on the same certified stone. Brilliant Earth lists it at $8,877. 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 angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619399
Dimensions9.35 × 6.66 × 4.01 mm
L/W Ratio1.40
Girdle conditionFaceted
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
9.35 mm6.66 mm1.55 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619399
Side View
Table 60.0%Crown 32.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

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: $8,877 NZD|Low: $1,756 NZD|High: $8,877 NZD|Avg: $3,843 NZD|+0.2%
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
Retailer 16
November 5, 2026
Retailer 5$1,829 NZD
Retailer 16$1,989 NZD
Retailer 3$2,120 NZD
Retailer 4$2,120 NZD
Retailer 10$2,391 NZD
Retailer 14$2,428 NZD
Retailer 11$2,992 NZD
Retailer 9$3,028 NZD
Retailer 7$3,033 NZD
Retailer 15$3,474 NZD
Retailer 12$3,901 NZD
Retailer 6$3,976 NZD
Retailer 13$4,091 NZD
Retailer 8$6,262 NZD
Retailer 2$7,173 NZD
Brilliant Earth$8,877 NZD

37 data points across 16 retailers

25 retailers$1,829 NZD to $8,877 NZD

A
Cheapest Retailer
-
$1,829 NZD
A
Retailer 2
-
$1,989 NZD
View
A
Retailer 3
-
$2,048 NZD
View
Final sale: no returns
A
Retailer 4
-
$2,120 NZD
View
Retailer 5
-
$2,120 NZD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$2,321 NZD
View
A
Retailer 7
-
$2,391 NZD
View
A
Retailer 8
-
$2,428 NZD
View
A
Retailer 9
-
$2,482 NZD
View
B+
Retailer 10
-
$2,992 NZD
View
A
Retailer 11
-
$3,028 NZD
View
A
Retailer 12
-
$3,033 NZD
View
Retailer 13
-
$3,474 NZD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$3,901 NZD
View
B+
Retailer 15
-
$3,976 NZD
View
B+
Retailer 16
-
$4,091 NZD
View
B+
Retailer 17
-
$4,433 NZD
View
B
Retailer 18
-
$5,854 NZD
View
B
Retailer 19
-
$6,262 NZD
View
B
Retailer 20
-
$6,575 NZD
View
B
Retailer 21
-
$6,822 NZD
View
B
Retailer 22
-
$7,107 NZD
View
B
Retailer 23
-
$7,173 NZD
View
B
Retailer 24
-
$7,398 NZD
View
Most Expensive
B
Brilliant Earth
20637611A · Nov 4
$8,877 NZD
$4,990 USD
View
24 more retailers have this diamond
Prices start from $1,829 NZDSave up to $7,048 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
$1,829 NZD