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Marquise|Lab Grown|IGI

1.27ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818677640

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818677640

Diamond specifications and retailer prices

From $919 AUD
$644 USD
As of November 1, 2026
Save $3,501 AUD (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,420 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.27ct lab-grown marquise diamond

This 1.27ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818677640 or 818677640. Listed at 25 retailers as of November 1, 2026, with prices from $919 to $4,420, a $3,501 spread on the same certified stone. MOH London lists it at $4,420. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818677640
Dimensions10.85 × 5.81 × 3.59 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizeNone
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
10.85 mm5.81 mm1.27 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818677640
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.8%

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: Nov 1
Current: $4,420 AUD|Low: $778 AUD|High: $4,445 AUD|Avg: $2,040 AUD|-0.2%
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
November 2, 2026
Retailer 7$778 AUD
Retailer 3$919 AUD
Retailer 6$999 AUD
Retailer 13$1,177 AUD
Retailer 16$1,381 AUD
Retailer 11$1,473 AUD
Retailer 12$1,560 AUD
Retailer 15$1,565 AUD
Retailer 10$1,590 AUD
Retailer 9$1,750 AUD
Retailer 2$2,182 AUD
Retailer 4$2,678 AUD
Retailer 8$2,914 AUD
Retailer 5$3,298 AUD
Retailer 14$3,382 AUD
MOH London$4,420 AUD

39 data points across 16 retailers

25 retailers$919 AUD to $4,420 AUD

Retailer 1
-
$778 AUD
$545 USD
Price last confirmed 31 days ago
Retailer 2
-
$806 AUD
$565 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$908 AUD
$636 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$919 AUD
$644 USD
View
Final sale: no returns
Retailer 5
-
$992 AUD
$695 USD
View
Price last confirmed 35 days ago
Retailer 6
-
$999 AUD
$700 USD
View
Price last confirmed 16 days ago
Retailer 7
-
$999 AUD
$700 USD
View
Price last confirmed 30 days ago
Retailer 8
-
$999 AUD
$700 USD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$1,019 AUD
$714 USD
View
A
Retailer 10
-
$1,177 AUD
$825 USD
View
A
Retailer 11
-
$1,381 AUD
$968 USD
View
B+
Retailer 12
-
$1,473 AUD
View
B+
Retailer 13
-
$1,560 AUD
€1,041 EUR
View
B+
Retailer 14
-
$1,565 AUD
$1,097 USD
View
B+
Retailer 15
-
$1,590 AUD
£878 GBP
View
B+
Retailer 16
-
$1,750 AUD
ZAR 19,814 ZAR
View
B+
Retailer 17
-
$2,182 AUD
$1,529 USD
View
Retailer 18
-
$2,641 AUD
$1,851 USD
View
Price last confirmed 33 days ago
B
Retailer 19
-
$2,678 AUD
$1,877 USD
View
B
Retailer 20
-
$2,678 AUD
$1,877 USD
View
Retailer 21
-
$2,914 AUD
£1,608 GBP
View
Price last confirmed 19 days ago
B
Retailer 22
-
$3,298 AUD
$2,311 USD
View
B+
Retailer 23
-
$3,382 AUD
$2,370 USD
View
B
Retailer 24
-
$3,425 AUD
$2,400 USD
View
Most Expensive
B
MOH London
LG818677640 · Nov 1
$4,420 AUD
£2,439 GBP
View
24 more retailers have this diamond
Prices start from $919 AUDSave up to $3,501 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
1.27ct Marquise
$919 AUD