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Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG838645049

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838645049

Diamond specifications and retailer prices

From $467 AUD
As of November 6, 2026
Save $3,018 AUD (87%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $3,486 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 LG838645049 or 838645049. Listed at 28 retailers as of November 6, 2026, with prices from $467 to $3,486, a $3,018 spread on the same certified stone. Do Amore Diamonds lists it at $3,486. 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 angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838645049
Dimensions10.48 × 5.58 × 3.49 mm
L/W Ratio1.88
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
10.48 mm5.58 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838645049
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

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 6
Current: $3,486 AUD|Low: $437 AUD|High: $3,486 AUD|Avg: $1,423 AUD
Do Amore Diamonds
Retailer 2
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November 6, 2026
Retailer 5$467 AUD
Retailer 15$523 AUD
Retailer 16$541 AUD
Retailer 20$541 AUD
Retailer 7$579 AUD
Retailer 23$654 AUD
Retailer 10$716 AUD
Retailer 8$800 AUD
Retailer 24$841 AUD
Retailer 19$857 AUD
Retailer 12$881 AUD
Retailer 2$983 AUD
Retailer 4$1,049 AUD
Retailer 3$1,101 AUD
Retailer 26$1,140 AUD
Retailer 28$1,383 AUD
Retailer 27$1,560 AUD
Retailer 25$1,620 AUD
Retailer 18$1,770 AUD
Retailer 6$1,901 AUD
Retailer 22$1,938 AUD
Retailer 11$2,056 AUD
Retailer 14$2,246 AUD
Retailer 17$2,276 AUD
Retailer 13$2,280 AUD
Retailer 21$2,430 AUD
Retailer 29$2,497 AUD
Retailer 9$3,346 AUD
Do Amore Diamonds$3,486 AUD

22 data points across 29 retailers

28 retailers$467 AUD to $3,486 AUD

A
Cheapest Retailer
-
$467 AUD
A
Retailer 2
-
$523 AUD
View
Final sale: no returns
Retailer 3
-
$541 AUD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$541 AUD
View
A
Retailer 5
-
$579 AUD
View
A
Retailer 6
-
$654 AUD
View
A
Retailer 7
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$716 AUD
View
A
Retailer 8
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$800 AUD
View
A
Retailer 9
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$841 AUD
View
A
Retailer 10
-
$857 AUD
View
A
Retailer 11
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$881 AUD
View
B+
Retailer 12
-
$983 AUD
View
B+
Retailer 13
-
$1,049 AUD
View
B+
Retailer 14
-
$1,101 AUD
View
B+
Retailer 15
-
$1,140 AUD
View
B+
Retailer 16
-
$1,383 AUD
View
B+
Retailer 17
-
$1,560 AUD
View
B+
Retailer 18
-
$1,620 AUD
View
B+
Retailer 19
-
$1,770 AUD
View
B
Retailer 20
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$1,901 AUD
View
B
Retailer 21
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$2,056 AUD
View
B
Retailer 22
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$2,246 AUD
View
B
Retailer 23
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$2,276 AUD
View
B
Retailer 24
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$2,280 AUD
View
Retailer 25
-
$2,430 AUD
View
Price last confirmed 29 days ago
B
Retailer 26
-
$2,497 AUD
View
B
Retailer 27
-
$3,346 AUD
View
Most Expensive
B
Do Amore Diamonds
20-E101725 · Nov 6
$3,486 AUD
$2,440 USD
View
27 more retailers have this diamond
Prices start from $467 AUDSave up to $3,018 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
$467 AUD