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Marquise|Lab Grown|IGI

1.27ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG762546059

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762546059

Diamond specifications and retailer prices

From $823 AUD
As of November 4, 2026
Save $2,248 AUD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,578 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 LG762546059 or 762546059. Listed at 13 retailers as of November 4, 2026, with a 273% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762546059
Dimensions11.48 × 5.45 × 3.48 mm
L/W Ratio2.11
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
11.48 mm5.45 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762546059
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 63.9%

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: Nov 4
Current: $3,578 AUD|Low: $823 AUD|High: $4,814 AUD|Avg: $2,295 AUD|-1.4%
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 5, 2026
Retailer 9$823 AUD
Retailer 11$889 AUD
Retailer 2$957 AUD
Retailer 7$1,111 AUD
Retailer 5$1,180 AUD
Retailer 12$1,436 AUD
Retailer 4$1,457 AUD
Retailer 3$1,637 AUD
Retailer 13$2,243 AUD
Retailer 8$2,447 AUD
Retailer 6$2,717 AUD
Retailer 10$3,071 AUD
Rare Carat$3,578 AUD

42 data points across 13 retailers

13 retailers$823 AUD to $3,071 AUD

A
Cheapest Retailer
-
$823 AUD
A
Retailer 2
-
$889 AUD
View
A
Retailer 3
-
$957 AUD
View
A
Retailer 4
-
$1,111 AUD
View
A
Retailer 5
-
$1,180 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
-
$2,243 AUD
View
B+
Retailer 10
-
$2,447 AUD
View
B+
Retailer 11
-
$2,717 AUD
View
B
Retailer 12
-
$3,071 AUD
View
Most Expensive
Rare Carat
49729 · Oct 28
$3,578 AUD
$2,505 USD
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from $823 AUDSave up to $2,248 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
$823 AUD