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Marquise|Lab Grown|IGI

1.05ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG786643182

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786643182

Diamond specifications and retailer prices

From $1,193 AUD
$838 USD
As of October 30, 2026
Save $3,601 AUD (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,214 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG786643182 or 786643182. Listed at 20 retailers as of October 30, 2026, with a 302% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786643182
Dimensions10.33 × 5.20 × 3.31 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 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786643182
Side View
Table 59.0%Crown 36.1°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,214 AUD|Low: $1,150 AUD|High: $5,272 AUD|Avg: $2,613 AUD|-1.1%
MOH London
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 31, 2026
Retailer 16$1,193 AUD
Retailer 8$1,298 AUD
Retailer 3$1,335 AUD
Retailer 18$1,384 AUD
Retailer 11$1,387 AUD
Retailer 10$1,604 AUD
Retailer 9$1,637 AUD
Retailer 14$1,687 AUD
Retailer 15$1,982 AUD
Retailer 2$2,126 AUD
Retailer 19$2,438 AUD
Retailer 4$2,543 AUD
Retailer 13$2,904 AUD
Retailer 12$3,217 AUD
Retailer 20$3,818 AUD
Retailer 5$3,878 AUD
Retailer 6$3,891 AUD
Retailer 17$4,597 AUD
Retailer 7$4,794 AUD
MOH London$5,214 AUD

37 data points across 20 retailers

20 retailers$1,193 AUD to $4,794 AUD

B+
Cheapest Retailer
-
$1,193 AUD
$838 USD
B+
Retailer 2
-
$1,298 AUD
$912 USD
View
B+
Retailer 3
-
$1,335 AUD
$938 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,384 AUD
$972 USD
View
Retailer 5
-
$1,387 AUD
$974 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,604 AUD
HK$8,800 HKD
View
B+
Retailer 7
-
$1,637 AUD
$1,150 USD
View
B+
Retailer 8
-
$1,687 AUD
$1,185 USD
View
B+
Retailer 9
-
$1,982 AUD
$1,392 USD
View
B+
Retailer 10
-
$2,126 AUD
£1,176 GBP
View
B
Retailer 11
-
$2,438 AUD
€1,631 EUR
View
B
Retailer 12
-
$2,543 AUD
ZAR 28,861 ZAR
View
B
Retailer 13
-
$2,904 AUD
$2,040 USD
View
B
Retailer 14
-
$3,217 AUD
$2,260 USD
View
B
Retailer 15
-
$3,818 AUD
£2,112 GBP
View
B
Retailer 16
-
$3,878 AUD
SGD 3,681 SGD
View
B
Retailer 17
-
$3,891 AUD
$2,733 USD
View
B
Retailer 18
-
$4,597 AUD
$3,229 USD
View
B
Retailer 19
-
$4,794 AUD
$3,367 USD
View
Most Expensive
MOH London
LG786643182 · Oct 29
$5,214 AUD
£2,884 GBP
View
Price under review
19 more retailers have this diamond
Prices start from $1,193 AUDSave up to $3,601 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.

B+
1.05ct Marquise
$1,193 AUD