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Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG795629390

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG795629390

Diamond specifications and retailer prices

From $337 AUD
As of November 4, 2026
Save $2,906 AUD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,243 AUD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG795629390 or 795629390. Listed at 15 retailers as of November 4, 2026, with prices from $337 to $3,243, a $2,906 spread on the same certified stone. Do Amore Diamonds lists it at $3,243. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795629390
Dimensions11.00 × 5.35 × 3.46 mm
L/W Ratio2.06
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
11.00 mm5.35 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795629390
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
A+
Exceptional
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: $3,243 AUD|Low: $330 AUD|High: $3,300 AUD|Avg: $1,404 AUD|-1.7%
Do Amore Diamonds
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
November 5, 2026
Retailer 13$337 AUD
Retailer 4$391 AUD
Retailer 2$471 AUD
Retailer 7$671 AUD
Retailer 15$707 AUD
Retailer 12$780 AUD
Retailer 6$873 AUD
Retailer 8$1,133 AUD
Retailer 14$1,350 AUD
Retailer 3$1,484 AUD
Retailer 9$1,850 AUD
Retailer 5$2,086 AUD
Retailer 10$2,410 AUD
Retailer 11$2,543 AUD
Do Amore Diamonds$3,243 AUD

40 data points across 15 retailers

15 retailers$337 AUD to $3,243 AUD

A+
Cheapest Retailer
-
$337 AUD
A
Retailer 2
-
$391 AUD
View
A
Retailer 3
-
$471 AUD
View
A
Retailer 4
-
$707 AUD
View
Retailer 5
-
$780 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$873 AUD
View
B+
Retailer 7
-
$1,133 AUD
View
B+
Retailer 8
-
$1,350 AUD
View
B+
Retailer 9
-
$1,484 AUD
View
B+
Retailer 10
-
$1,850 AUD
View
Retailer 11
-
$2,086 AUD
View
Price last confirmed 9 days ago
Retailer 12
-
$2,086 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$2,410 AUD
View
B
Retailer 14
-
$2,543 AUD
View
Most Expensive
B
Do Amore Diamonds
27-595A3E66E · Nov 5
$3,243 AUD
$2,270 USD
View
14 more retailers have this diamond
Prices start from $337 AUDSave up to $2,906 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+
1.21ct Marquise
$337 AUD