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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG811619625

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619625

Diamond specifications and retailer prices

From $360 AUD
$253 USD
As of November 2, 2026
Save $1,960 AUD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,320 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811619625 or 811619625. Listed at 24 retailers as of October 31, 2026, with prices from $360 to $2,320, a $1,960 spread on the same certified stone. Brilliant Earth lists it at $2,320. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619625
Dimensions10.27 × 5.42 × 3.24 mm
L/W Ratio1.89
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
10.27 mm5.42 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619625
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.8%

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 2
Current: $2,320 AUD|Low: $346 AUD|High: $3,559 AUD|Avg: $1,090 AUD|-34.8%
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 6$360 AUD
Retailer 3$417 AUD
Retailer 4$446 AUD
Retailer 5$446 AUD
Retailer 2$459 AUD
Retailer 10$601 AUD
Retailer 17$605 AUD
Retailer 12$770 AUD
Retailer 15$812 AUD
Retailer 11$843 AUD
Retailer 13$859 AUD
Retailer 16$1,085 AUD
Retailer 8$1,129 AUD
Retailer 7$1,434 AUD
Retailer 9$1,736 AUD
Retailer 18$1,790 AUD
Retailer 14$2,056 AUD
Brilliant Earth$2,320 AUD

32 data points across 18 retailers

24 retailers$360 AUD to $2,320 AUD

A
Cheapest Retailer
-
$360 AUD
$253 USD
A
Retailer 2
-
$403 AUD
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$417 AUD
$293 USD
View
Retailer 4
-
$446 AUD
$313 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$446 AUD
$313 USD
View
A
Retailer 6
-
$459 AUD
£254 GBP
View
A
Retailer 7
-
$601 AUD
$422 USD
View
A
Retailer 8
-
$605 AUD
$425 USD
View
A
Retailer 9
-
$770 AUD
ZAR 8,741 ZAR
View
A
Retailer 10
-
$794 AUD
$558 USD
View
A
Retailer 11
-
$812 AUD
€543 EUR
View
A
Retailer 12
-
$834 AUD
$586 USD
View
A
Retailer 13
-
$843 AUD
£466 GBP
View
A
Retailer 14
-
$859 AUD
View
B+
Retailer 15
-
$1,085 AUD
View
B+
Retailer 16
-
$1,129 AUD
$793 USD
View
B+
Retailer 17
-
$1,200 AUD
SGD 1,139 SGD
View
B+
Retailer 18
-
$1,434 AUD
$1,007 USD
View
B
Retailer 19
-
$1,507 AUD
$1,059 USD
View
B
Retailer 20
-
$1,736 AUD
£960 GBP
View
B+
Retailer 21
-
$1,790 AUD
£990 GBP
View
B
Retailer 22
-
$1,939 AUD
$1,362 USD
View
B
Retailer 23
-
$2,056 AUD
View
Most Expensive
B
Brilliant Earth
20879646A · Oct 31
$2,320 AUD
$1,630 USD
View
23 more retailers have this diamond
Prices start from $360 AUDSave up to $1,960 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
$360 AUD