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Marquise|Lab Grown|IGI

1.03ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG811619694

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811619694

Diamond specifications and retailer prices

From $361 AUD
$253 USD
As of November 2, 2026
Save $1,965 AUD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,326 AUD at Brilliant Earth · As of November 2, 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 LG811619694 or 811619694. Listed at 24 retailers as of November 2, 2026, with prices from $361 to $2,326, a $1,965 spread on the same certified stone. Brilliant Earth lists it at $2,326. 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 angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619694
Dimensions10.43 × 5.27 × 3.30 mm
L/W Ratio1.98
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
10.43 mm5.27 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619694
Side View
Table 58.0%Crown 34.3°Girdle: THN-STKPavilion 40.5°Culet: NoneDepth 62.6%

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: $2,326 AUD|Low: $347 AUD|High: $3,567 AUD|Avg: $1,119 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
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Retailer 17
Retailer 18
November 2, 2026
Retailer 6$361 AUD
Retailer 3$418 AUD
Retailer 4$447 AUD
Retailer 5$447 AUD
Retailer 11$460 AUD
Retailer 8$602 AUD
Retailer 18$606 AUD
Retailer 13$772 AUD
Retailer 16$814 AUD
Retailer 12$845 AUD
Retailer 15$861 AUD
Retailer 17$1,088 AUD
Retailer 2$1,139 AUD
Retailer 7$1,437 AUD
Retailer 10$1,740 AUD
Retailer 14$1,792 AUD
Retailer 9$2,071 AUD
Brilliant Earth$2,326 AUD

38 data points across 18 retailers

24 retailers$361 AUD to $2,326 AUD

A
Cheapest Retailer
-
$361 AUD
$253 USD
A
Retailer 2
-
$404 AUD
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$418 AUD
$293 USD
View
Retailer 4
-
$447 AUD
$313 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$447 AUD
$313 USD
View
A
Retailer 6
-
$460 AUD
£254 GBP
View
A
Retailer 7
-
$602 AUD
$422 USD
View
A
Retailer 8
-
$606 AUD
$425 USD
View
A
Retailer 9
-
$772 AUD
ZAR 8,741 ZAR
View
A
Retailer 10
-
$796 AUD
$558 USD
View
A
Retailer 11
-
$814 AUD
€543 EUR
View
A
Retailer 12
-
$836 AUD
$586 USD
View
A
Retailer 13
-
$845 AUD
£466 GBP
View
A
Retailer 14
-
$861 AUD
View
B+
Retailer 15
-
$1,088 AUD
View
B+
Retailer 16
-
$1,139 AUD
$798 USD
View
B+
Retailer 17
-
$1,203 AUD
SGD 1,139 SGD
View
B+
Retailer 18
-
$1,437 AUD
$1,007 USD
View
B
Retailer 19
-
$1,511 AUD
$1,059 USD
View
B
Retailer 20
-
$1,740 AUD
£960 GBP
View
B+
Retailer 21
-
$1,792 AUD
£989 GBP
View
B
Retailer 22
-
$1,943 AUD
$1,362 USD
View
Retailer 23
-
$2,071 AUD
View
Price last confirmed 28 days ago
Most Expensive
B
Brilliant Earth
20986856A · Nov 2
$2,326 AUD
$1,630 USD
View
23 more retailers have this diamond
Prices start from $361 AUDSave up to $1,965 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
$361 AUD