CaratHunter
Plans
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 $1,644 AUD
As of November 4, 2026
Save $4,613 AUD (74%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,257 AUD 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 $1,644 to $6,257, a $4,613 spread on the same certified stone. Brilliant Earth lists it at $6,257. 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: $6,257 AUD|Low: $1,864 AUD|High: $6,257 AUD|Avg: $3,171 AUD|+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$1,920 AUD
Retailer 9$1,950 AUD
Retailer 5$2,403 AUD
Retailer 2$2,431 AUD
Retailer 3$2,436 AUD
Retailer 10$2,790 AUD
Retailer 7$3,133 AUD
Retailer 8$3,286 AUD
Retailer 11$5,028 AUD
Retailer 6$5,775 AUD
Brilliant Earth$6,257 AUD

33 data points across 11 retailers

24 retailers$1,644 AUD to $6,257 AUD

Retailer 1
-
$1,468 AUD
Price last confirmed 28 days ago
Retailer 2
-
$1,597 AUD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$1,644 AUD
View
Final sale: no returns
Retailer 4
-
$1,703 AUD
View
Price last confirmed 33 days ago
Retailer 5
-
$1,703 AUD
View
Price last confirmed 24 days ago
A
Retailer 6
-
$1,864 AUD
View
A
Retailer 7
-
$1,920 AUD
View
A
Retailer 8
-
$1,950 AUD
View
B+
Retailer 9
-
$2,403 AUD
View
A
Retailer 10
-
$2,431 AUD
View
B+
Retailer 11
-
$2,436 AUD
View
Retailer 12
-
$2,790 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$3,133 AUD
View
Retailer 14
-
$3,193 AUD
View
Price last confirmed 36 days ago
B+
Retailer 15
-
$3,286 AUD
View
B
Retailer 16
-
$4,701 AUD
View
B+
Retailer 17
-
$5,028 AUD
View
Retailer 18
-
$5,271 AUD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$5,478 AUD
View
B
Retailer 20
-
$5,707 AUD
View
B
Retailer 21
-
$5,775 AUD
View
B
Retailer 22
-
$5,941 AUD
View
B
Retailer 23
-
$6,157 AUD
View
Most Expensive
B
Brilliant Earth
20938449A · Nov 5
$6,257 AUD
$4,380 USD
View
23 more retailers have this diamond
Prices start from $1,644 AUDSave up to $4,613 AUD

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
$1,644 AUD