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Marquise|Lab Grown|IGI

1.15ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG800685263

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800685263

Diamond specifications and retailer prices

From $279 AUD
$196 USD
As of October 30, 2026
Save $2,817 AUD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,096 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.15ct lab-grown marquise diamond

This 1.15ct 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 LG800685263 or 800685263. Listed at 14 retailers as of October 28, 2026, with prices from $279 to $3,096, a $2,817 spread on the same certified stone. Rare Carat lists it at $3,096. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800685263
Dimensions11.07 × 5.45 × 3.33 mm
L/W Ratio2.03
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
11.07 mm5.45 mm1.15 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800685263
Side View
Table 57.0%Crown 34.4°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 61.1%

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: $3,096 AUD|Low: $279 AUD|High: $3,531 AUD|Avg: $1,475 AUD|+10.8%
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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 10$279 AUD
Retailer 3$323 AUD
Retailer 6$447 AUD
Retailer 11$562 AUD
Retailer 14$601 AUD
Retailer 9$671 AUD
Retailer 7$762 AUD
Retailer 4$801 AUD
Retailer 5$998 AUD
Retailer 12$1,115 AUD
Retailer 15$1,226 AUD
Retailer 16$1,530 AUD
Retailer 8$2,665 AUD
Retailer 13$2,676 AUD
Retailer 2$2,904 AUD
Rare Carat$3,096 AUD

26 data points across 16 retailers

14 retailers$279 AUD to $3,096 AUD

A
Cheapest Retailer
-
$279 AUD
$196 USD
A
Retailer 2
-
$323 AUD
$227 USD
View
A
Retailer 3
-
$447 AUD
$314 USD
View
Final sale: no returns
A
Retailer 4
-
$562 AUD
$395 USD
View
A
Retailer 5
-
$601 AUD
$422 USD
View
A
Retailer 6
-
$671 AUD
€449 EUR
View
A
Retailer 7
-
$801 AUD
$563 USD
View
B+
Retailer 8
-
$998 AUD
View
B+
Retailer 9
-
$1,115 AUD
$783 USD
View
B+
Retailer 10
-
$1,226 AUD
$861 USD
View
B+
Retailer 11
-
$1,530 AUD
£846 GBP
View
B
Retailer 12
-
$2,676 AUD
$1,880 USD
View
B
Retailer 13
-
$2,904 AUD
$2,040 USD
View
Most Expensive
B
Rare Carat
P86J-19C · Oct 28
$3,096 AUD
$2,175 USD
View
13 more retailers have this diamond
Prices start from $279 AUDSave up to $2,817 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
1.15ct Marquise
$279 AUD