CaratHunter
Plans
Marquise|Lab Grown|IGI

1.03ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG818671761

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818671761

Diamond specifications and retailer prices

From $414 AUD
$290 USD
As of November 1, 2026
Save $2,461 AUD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,875 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818671761 or 818671761. Listed at 19 retailers as of October 28, 2026, with prices from $414 to $2,875, a $2,461 spread on the same certified stone. Rare Carat lists it at $2,875. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671761
Dimensions10.54 × 5.28 × 3.28 mm
L/W Ratio2.00
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
10.54 mm5.28 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671761
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A+
Exceptional
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 1
Current: $2,875 AUD|Low: $414 AUD|High: $2,875 AUD|Avg: $1,190 AUD
Rare Carat
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
November 1, 2026
Retailer 14$414 AUD
Retailer 6$548 AUD
Retailer 11$645 AUD
Retailer 8$649 AUD
Retailer 2$792 AUD
Retailer 13$839 AUD
Retailer 7$877 AUD
Retailer 4$881 AUD
Retailer 9$1,152 AUD
Retailer 5$1,215 AUD
Retailer 3$1,549 AUD
Retailer 10$1,848 AUD
Retailer 12$1,974 AUD
Rare Carat$2,875 AUD

34 data points across 14 retailers

19 retailers$414 AUD to $2,875 AUD

A+
Cheapest Retailer
-
$414 AUD
$290 USD
Final sale: no returns
Retailer 2
-
$437 AUD
$306 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$511 AUD
$358 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$541 AUD
$379 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$541 AUD
$379 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$541 AUD
$379 USD
View
Price last confirmed 39 days ago
A
Retailer 7
-
$645 AUD
$452 USD
View
A
Retailer 8
-
$649 AUD
$455 USD
View
A
Retailer 9
-
$792 AUD
ZAR 8,972 ZAR
View
A
Retailer 10
-
$839 AUD
$588 USD
View
A
Retailer 11
-
$877 AUD
£484 GBP
View
Retailer 12
-
$881 AUD
€588 EUR
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$1,152 AUD
$807 USD
View
Retailer 14
-
$1,215 AUD
$852 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$1,549 AUD
$1,085 USD
View
Retailer 16
-
$1,738 AUD
$1,218 USD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$1,848 AUD
£1,020 GBP
View
B+
Retailer 18
-
$1,974 AUD
$1,383 USD
View
Most Expensive
B
Rare Carat
C481-4A · Oct 28
$2,875 AUD
$2,015 USD
View
18 more retailers have this diamond
Prices start from $414 AUDSave up to $2,461 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+
1.03ct Marquise
$414 AUD