CaratHunter
Plans
Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG836619913

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836619913

Diamond specifications and retailer prices

From $1,051 AUD
$738 USD
As of October 30, 2026
Save $4,017 AUD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,068 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836619913 or 836619913. Listed at 21 retailers as of October 30, 2026, with prices from $1,051 to $5,068, a $4,017 spread on the same certified stone. Brilliant Earth lists it at $5,068. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619913
Dimensions11.52 × 5.99 × 3.88 mm
L/W Ratio1.92
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
11.52 mm5.99 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619913
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 42°Culet: NoneDepth 64.8%

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: Oct 30
Current: $5,068 AUD|Low: $1,051 AUD|High: $5,481 AUD|Avg: $2,968 AUD|-7.5%
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
Retailer 19
Retailer 20
October 30, 2026
Retailer 6$1,051 AUD
Retailer 3$1,143 AUD
Retailer 20$1,219 AUD
Retailer 11$1,236 AUD
Retailer 17$1,473 AUD
Retailer 4$1,660 AUD
Retailer 2$1,956 AUD
Retailer 19$1,973 AUD
Retailer 18$2,021 AUD
Retailer 14$2,240 AUD
Retailer 7$2,635 AUD
Retailer 12$3,427 AUD
Retailer 9$3,797 AUD
Retailer 15$4,023 AUD
Retailer 10$4,201 AUD
Retailer 8$4,430 AUD
Retailer 16$4,620 AUD
Retailer 5$4,721 AUD
Retailer 13$4,811 AUD
Brilliant Earth$5,068 AUD

29 data points across 20 retailers

21 retailers$1,051 AUD to $5,068 AUD

A
Cheapest Retailer
-
$1,051 AUD
$738 USD
A
Retailer 2
-
$1,143 AUD
$803 USD
View
A
Retailer 3
-
$1,219 AUD
$856 USD
View
A
Retailer 4
-
$1,236 AUD
$868 USD
View
Final sale: no returns
Retailer 5
-
$1,270 AUD
$892 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,473 AUD
$1,035 USD
View
A
Retailer 7
-
$1,660 AUD
$1,166 USD
View
A
Retailer 8
-
$1,956 AUD
£1,082 GBP
View
A
Retailer 9
-
$1,973 AUD
$1,386 USD
View
A
Retailer 10
-
$2,021 AUD
€1,352 EUR
View
A
Retailer 11
-
$2,240 AUD
ZAR 25,422 ZAR
View
B+
Retailer 12
-
$2,635 AUD
$1,851 USD
View
B+
Retailer 13
-
$3,427 AUD
$2,407 USD
View
B
Retailer 14
-
$3,797 AUD
£2,100 GBP
View
B+
Retailer 15
-
$4,023 AUD
$2,826 USD
View
B
Retailer 16
-
$4,201 AUD
$2,951 USD
View
B
Retailer 17
-
$4,430 AUD
SGD 4,205 SGD
View
B
Retailer 18
-
$4,620 AUD
$3,245 USD
View
B
Retailer 19
-
$4,721 AUD
$3,316 USD
View
B
Retailer 20
-
$4,811 AUD
£2,661 GBP
View
Most Expensive
B
Brilliant Earth
21589183A · Oct 30
$5,068 AUD
$3,560 USD
View
20 more retailers have this diamond
Prices start from $1,051 AUDSave up to $4,017 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
1.51ct Marquise
$1,051 AUD