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Marquise|Lab Grown|IGI

1.02ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG655442512

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG655442512

Diamond specifications and retailer prices

From $389 AUD
$273 USD
As of October 30, 2026
Save $1,861 AUD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,249 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG655442512 or 655442512. Listed at 23 retailers as of October 30, 2026, with prices from $389 to $2,249, a $1,861 spread on the same certified stone. Brilliant Earth lists it at $2,249. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655442512
Dimensions10.33 × 5.20 × 3.28 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
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
10.33 mm5.20 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655442512
Side View
Table 56.0%Crown 36.5°Girdle: Slightly ThickPavilion 39.2°Culet: NoneDepth 63.1%

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: Oct 30
Current: $2,249 AUD|Low: $389 AUD|High: $2,605 AUD|Avg: $1,102 AUD|-13.7%
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
October 31, 2026
Retailer 8$389 AUD
Retailer 18$430 AUD
Retailer 4$474 AUD
Retailer 9$581 AUD
Retailer 14$740 AUD
Retailer 16$740 AUD
Retailer 6$759 AUD
Retailer 11$783 AUD
Retailer 2$810 AUD
Retailer 17$834 AUD
Retailer 15$1,050 AUD
Retailer 12$1,072 AUD
Retailer 10$1,159 AUD
Retailer 5$1,384 AUD
Retailer 7$1,458 AUD
Retailer 13$1,486 AUD
Retailer 3$1,736 AUD
Retailer 19$1,899 AUD
Brilliant Earth$2,249 AUD

43 data points across 19 retailers

23 retailers$389 AUD to $2,249 AUD

Retailer 1
-
$347 AUD
$244 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$389 AUD
$273 USD
View
Final sale: no returns
Retailer 3
-
$430 AUD
$302 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$430 AUD
$302 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$434 AUD
$305 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
$474 AUD
HK$2,600 HKD
View
A
Retailer 7
-
$581 AUD
$408 USD
View
A
Retailer 8
-
$740 AUD
ZAR 8,395 ZAR
View
A
Retailer 9
-
$740 AUD
€495 EUR
View
A
Retailer 10
-
$759 AUD
$533 USD
View
A
Retailer 11
-
$810 AUD
£448 GBP
View
A
Retailer 12
-
$834 AUD
$586 USD
View
B+
Retailer 13
-
$1,050 AUD
View
B+
Retailer 14
-
$1,072 AUD
$753 USD
View
B+
Retailer 15
-
$1,082 AUD
$760 USD
View
B+
Retailer 16
-
$1,159 AUD
SGD 1,100 SGD
View
Retailer 17
-
$1,384 AUD
$972 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
$1,458 AUD
$1,024 USD
View
B+
Retailer 19
-
$1,486 AUD
View
Retailer 20
-
$1,640 AUD
$1,152 USD
View
Price last confirmed 83 days ago
B
Retailer 21
-
$1,736 AUD
£960 GBP
View
B
Retailer 22
-
$1,899 AUD
$1,334 USD
View
Most Expensive
B
Brilliant Earth
14009317A · Oct 30
$2,249 AUD
$1,580 USD
View
22 more retailers have this diamond
Prices start from $389 AUDSave up to $1,861 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
1.02ct Marquise
$389 AUD