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Marquise|Lab Grown|IGI

1.55ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG813622880

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG813622880

Diamond specifications and retailer prices

From $2,048 NZD
As of November 4, 2026
Save $5,744 NZD (74%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,792 NZD at Brilliant Earth · As of November 5, 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 LG813622880 or 813622880. Listed at 24 retailers as of November 4, 2026, with prices from $2,048 to $7,792, a $5,744 spread on the same certified stone. Brilliant Earth lists it at $7,792. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813622880
Dimensions11.86 × 6.11 × 3.76 mm
L/W Ratio1.94
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
11.86 mm6.11 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813622880
Side View
Table 61.0%Crown 33.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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: $7,792 NZD|Low: $2,321 NZD|High: $7,792 NZD|Avg: $3,949 NZD|+1.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4$2,391 NZD
Retailer 9$2,428 NZD
Retailer 5$2,992 NZD
Retailer 2$3,028 NZD
Retailer 3$3,033 NZD
Retailer 10$3,474 NZD
Retailer 7$3,901 NZD
Retailer 8$4,091 NZD
Retailer 11$6,262 NZD
Retailer 6$7,192 NZD
Brilliant Earth$7,792 NZD

33 data points across 11 retailers

24 retailers$2,048 NZD to $7,792 NZD

Retailer 1
-
$1,829 NZD
Price last confirmed 28 days ago
Retailer 2
-
$1,989 NZD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$2,048 NZD
View
Final sale: no returns
Retailer 4
-
$2,120 NZD
View
Price last confirmed 33 days ago
Retailer 5
-
$2,120 NZD
View
Price last confirmed 24 days ago
A
Retailer 6
-
$2,321 NZD
View
A
Retailer 7
-
$2,391 NZD
View
A
Retailer 8
-
$2,428 NZD
View
B+
Retailer 9
-
$2,992 NZD
View
A
Retailer 10
-
$3,028 NZD
View
B+
Retailer 11
-
$3,033 NZD
View
Retailer 12
-
$3,474 NZD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$3,901 NZD
View
Retailer 14
-
$3,976 NZD
View
Price last confirmed 36 days ago
B+
Retailer 15
-
$4,091 NZD
View
B
Retailer 16
-
$5,854 NZD
View
B+
Retailer 17
-
$6,262 NZD
View
Retailer 18
-
$6,564 NZD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$6,822 NZD
View
B
Retailer 20
-
$7,107 NZD
View
B
Retailer 21
-
$7,192 NZD
View
B
Retailer 22
-
$7,398 NZD
View
B
Retailer 23
-
$7,667 NZD
View
Most Expensive
B
Brilliant Earth
20938449A · Nov 5
$7,792 NZD
$4,380 USD
View
23 more retailers have this diamond
Prices start from $2,048 NZDSave up to $5,744 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
$2,048 NZD