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Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG700514301

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG700514301

Diamond specifications and retailer prices

From $529 AUD
As of November 6, 2026
Save $3,371 AUD (86%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $3,900 AUD at Do Amore Diamonds · As of November 6, 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 LG700514301 or 700514301. Listed at 29 retailers as of November 6, 2026, with prices from $529 to $3,900, a $3,371 spread on the same certified stone. Do Amore Diamonds lists it at $3,900. 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°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700514301
Dimensions11.27 × 5.42 × 3.46 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
11.27 mm5.42 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700514301
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.8%

Caratlytics Score

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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 6
Current: $3,900 AUD|Low: $351 AUD|High: $5,085 AUD|Avg: $1,767 AUD|+15.7%
Do Amore Diamonds
Retailer 2
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Retailer 23
November 6, 2026
Retailer 16$351 AUD
Retailer 13$529 AUD
Retailer 15$710 AUD
Retailer 19$714 AUD
Retailer 20$804 AUD
Retailer 4$850 AUD
Retailer 18$876 AUD
Retailer 2$974 AUD
Retailer 14$1,040 AUD
Retailer 17$1,066 AUD
Retailer 9$1,351 AUD
Retailer 7$1,369 AUD
Retailer 22$1,476 AUD
Retailer 3$1,671 AUD
Retailer 23$1,930 AUD
Retailer 12$2,157 AUD
Retailer 8$2,158 AUD
Retailer 5$2,186 AUD
Retailer 6$2,308 AUD
Retailer 11$2,573 AUD
Retailer 21$2,614 AUD
Retailer 10$2,880 AUD
Do Amore Diamonds$3,900 AUD

29 data points across 23 retailers

29 retailers$529 AUD to $3,900 AUD

Retailer 1
-
$351 AUD
Price last confirmed 29 days ago
A
Retailer 2
-
$529 AUD
View
Final sale: no returns
Retailer 3
-
$596 AUD
View
Price last confirmed 37 days ago
Retailer 4
-
$667 AUD
View
Price last confirmed 38 days ago
Retailer 5
-
$710 AUD
View
Price last confirmed 29 days ago
Retailer 6
-
$710 AUD
View
Price last confirmed 27 days ago
A
Retailer 7
-
$714 AUD
View
Retailer 8
-
$729 AUD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$804 AUD
View
A
Retailer 10
-
$850 AUD
View
A
Retailer 11
-
$876 AUD
View
B+
Retailer 12
-
$974 AUD
View
B+
Retailer 13
-
$1,040 AUD
View
A
Retailer 14
-
$1,066 AUD
View
B+
Retailer 15
-
$1,351 AUD
View
B+
Retailer 16
-
$1,369 AUD
View
B+
Retailer 17
-
$1,476 AUD
View
B+
Retailer 18
-
$1,671 AUD
View
B+
Retailer 19
-
$1,930 AUD
View
Retailer 20
-
$2,157 AUD
View
Price last confirmed 9 days ago
B
Retailer 21
-
$2,158 AUD
View
B+
Retailer 22
-
$2,186 AUD
View
B
Retailer 23
-
$2,308 AUD
View
Retailer 24
-
$2,521 AUD
View
Price last confirmed 27 days ago
B
Retailer 25
-
$2,573 AUD
View
B
Retailer 26
-
$2,614 AUD
View
Retailer 27
-
$2,618 AUD
View
Price last confirmed 37 days ago
B
Retailer 28
-
$2,880 AUD
View
Most Expensive
B
Do Amore Diamonds
27-036702EDB · Nov 6
$3,900 AUD
$2,730 USD
View
28 more retailers have this diamond
Prices start from $529 AUDSave up to $3,371 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
$529 AUD