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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 $582 NZD
As of November 4, 2026
Save $3,759 NZD (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $4,341 NZD at Do Amore Diamonds · As of November 4, 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 27 retailers as of November 4, 2026, with prices from $582 to $4,341, a $3,759 spread on the same certified stone. Do Amore Diamonds lists it at $4,341. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,341 NZD|Low: $544 NZD|High: $4,341 NZD|Avg: $1,769 NZD
Do Amore Diamonds
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November 5, 2026
Retailer 3$582 NZD
Retailer 14$651 NZD
Retailer 15$674 NZD
Retailer 20$674 NZD
Retailer 5$720 NZD
Retailer 23$817 NZD
Retailer 9$891 NZD
Retailer 6$996 NZD
Retailer 19$1,053 NZD
Retailer 18$1,067 NZD
Retailer 11$1,098 NZD
Retailer 8$1,190 NZD
Retailer 29$1,306 NZD
Retailer 28$1,372 NZD
Retailer 2$1,420 NZD
Retailer 26$1,722 NZD
Retailer 13$1,943 NZD
Retailer 25$2,021 NZD
Retailer 17$2,204 NZD
Retailer 4$2,368 NZD
Retailer 22$2,414 NZD
Retailer 10$2,560 NZD
Retailer 12$2,796 NZD
Retailer 16$2,834 NZD
Retailer 24$2,836 NZD
Retailer 21$3,026 NZD
Retailer 27$3,110 NZD
Retailer 7$4,166 NZD
Do Amore Diamonds$4,341 NZD

21 data points across 29 retailers

27 retailers$582 NZD to $4,341 NZD

A
Cheapest Retailer
-
$582 NZD
A
Retailer 2
-
$651 NZD
View
Final sale: no returns
Retailer 3
-
$674 NZD
View
Price last confirmed 24 days ago
A
Retailer 4
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$674 NZD
View
A
Retailer 5
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$720 NZD
View
A
Retailer 6
-
$817 NZD
View
A
Retailer 7
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$891 NZD
View
A
Retailer 8
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$996 NZD
View
A
Retailer 9
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$1,067 NZD
View
A
Retailer 10
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$1,071 NZD
View
A
Retailer 11
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$1,098 NZD
View
B+
Retailer 12
-
$1,306 NZD
View
B+
Retailer 13
-
$1,372 NZD
View
B+
Retailer 14
-
$1,420 NZD
View
B+
Retailer 15
-
$1,722 NZD
View
B+
Retailer 16
-
$1,943 NZD
View
B+
Retailer 17
-
$2,021 NZD
View
B+
Retailer 18
-
$2,204 NZD
View
B+
Retailer 19
-
$2,368 NZD
View
B
Retailer 20
-
$2,560 NZD
View
B
Retailer 21
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$2,796 NZD
View
B
Retailer 22
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$2,834 NZD
View
B
Retailer 23
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$2,836 NZD
View
Retailer 24
-
$3,026 NZD
View
Price last confirmed 28 days ago
B
Retailer 25
-
$3,110 NZD
View
B
Retailer 26
-
$4,166 NZD
View
Most Expensive
B
Do Amore Diamonds
20-E101725 · Nov 4
$4,341 NZD
$2,440 USD
View
26 more retailers have this diamond
Prices start from $582 NZDSave up to $3,759 NZD

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
$582 NZD