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Marquise|Lab Grown|IGI

1.00ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG780663738

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780663738

Diamond specifications and retailer prices

From $565 AUD
HK$3,100 HKD
As of October 31, 2026
Save $2,197 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,762 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780663738 or 780663738. Listed at 13 retailers as of October 28, 2026, with prices from $565 to $2,762, a $2,197 spread on the same certified stone. Rare Carat lists it at $2,762. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663738
Dimensions10.57 × 5.06 × 3.17 mm
L/W Ratio2.09
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
10.57 mm5.06 mm1.00 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663738
Side View
Table 63.0%Crown 34.5°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.6%

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 31
Current: $2,762 AUD|Low: $565 AUD|High: $2,996 AUD|Avg: $1,400 AUD|-1.8%
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
November 1, 2026
Retailer 10$565 AUD
Retailer 4$569 AUD
Retailer 13$615 AUD
Retailer 7$677 AUD
Retailer 9$693 AUD
Retailer 11$700 AUD
Retailer 2$754 AUD
Retailer 12$877 AUD
Retailer 3$1,541 AUD
Retailer 8$1,625 AUD
Retailer 5$1,895 AUD
Retailer 6$2,420 AUD
Rare Carat$2,762 AUD

43 data points across 13 retailers

13 retailers$565 AUD to $2,762 AUD

A
Cheapest Retailer
-
$565 AUD
HK$3,100 HKD
A
Retailer 2
-
$569 AUD
$400 USD
View
A
Retailer 3
-
$615 AUD
$432 USD
View
A
Retailer 4
-
$677 AUD
€453 EUR
View
A
Retailer 5
-
$693 AUD
ZAR 7,866 ZAR
View
A
Retailer 6
-
$700 AUD
$492 USD
View
A
Retailer 7
-
$754 AUD
£417 GBP
View
Retailer 8
-
$877 AUD
$616 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,541 AUD
$1,083 USD
View
B+
Retailer 10
-
$1,625 AUD
£899 GBP
View
B
Retailer 11
-
$1,895 AUD
$1,331 USD
View
B
Retailer 12
-
$2,420 AUD
$1,700 USD
View
Most Expensive
B
Rare Carat
53835 · Oct 28
$2,762 AUD
$1,940 USD
View
12 more retailers have this diamond
Prices start from $565 AUDSave up to $2,197 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
1.00ct Marquise
$565 AUD