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Marquise|Lab Grown|IGI

1.27ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662340

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662340

Diamond specifications and retailer prices

From $731 AUD
As of November 4, 2026
Save $2,683 AUD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,607 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780662340 or 780662340. Listed at 14 retailers as of November 4, 2026, with a 367% 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

1.27
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662340
Dimensions11.51 × 5.54 × 3.47 mm
L/W Ratio2.08
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
11.51 mm5.54 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662340
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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 4
Current: $1,246 AUD|Low: $731 AUD|High: $4,871 AUD|Avg: $2,218 AUD|-8.0%
Retailer 1
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 5, 2026
Retailer 8$731 AUD
Retailer 10$889 AUD
Retailer 6$1,111 AUD
Retailer 1$1,246 AUD
Retailer 5$1,247 AUD
Retailer 12$1,436 AUD
Retailer 3$1,457 AUD
Retailer 2$1,637 AUD
Retailer 4$1,678 AUD
Retailer 13$2,077 AUD
Retailer 11$2,410 AUD
Retailer 7$2,447 AUD
Retailer 9$3,414 AUD

41 data points across 13 retailers

14 retailers$731 AUD to $3,414 AUD

A
Cheapest Retailer
-
$731 AUD
A
Retailer 2
-
$889 AUD
View
A
Retailer 3
-
$1,111 AUD
View
A
Retailer 4
-
$1,246 AUD
View
A
Retailer 5
-
$1,247 AUD
View
A
Retailer 6
-
$1,436 AUD
View
Retailer 7
-
$1,457 AUD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$1,637 AUD
View
B+
Retailer 9
-
$1,678 AUD
View
B+
Retailer 10
-
$2,077 AUD
View
B+
Retailer 11
-
$2,410 AUD
View
B+
Retailer 12
-
$2,447 AUD
View
B
Retailer 13
-
$3,414 AUD
View
Most Expensive
Rare Carat
52437 · Oct 28
$3,607 AUD
$2,525 USD
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from $731 AUDSave up to $2,683 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
$731 AUD