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Princess|Lab Grown|IGI

1.21ct D SI1 Princess Lab Grown Diamond

EX • D/SI1 • IGI LG726537000

Shape and cutting style on the report: Princess cut

Certificate IGI LG726537000

Diamond specifications and retailer prices

From €173 EUR
As of November 6, 2026
Save €874 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,047 EUR at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.21ct lab-grown princess diamond

This 1.21ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG726537000 or 726537000. Listed at 19 retailers as of November 6, 2026, with prices from €173 to €1,047, a €874 spread on the same certified stone. Reve Diamonds lists it at €1,047. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726537000
Dimensions5.76 × 5.74 × 4.25 mm
L/W Ratio1.00
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
5.76 mm5.74 mm1.21 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726537000
Side View
Table 69.0%Crown 46.5°Girdle: MediumPavilion 39.8°Culet: NoneDepth 74.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €387 EUR|Low: €171 EUR|High: €1,078 EUR|Avg: €512 EUR|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
Reve Diamonds
November 6, 2026
Retailer 4€173 EUR
Retailer 5€193 EUR
Retailer 13€200 EUR
Retailer 7€215 EUR
Retailer 16€215 EUR
Retailer 2€373 EUR
Retailer 1€387 EUR
Retailer 8€398 EUR
Retailer 12€409 EUR
Retailer 15€433 EUR
Retailer 14€566 EUR
Retailer 3€690 EUR
Retailer 9€691 EUR
Retailer 11€704 EUR
Retailer 6€737 EUR
Retailer 10€1,002 EUR
Reve Diamonds€1,047 EUR

45 data points across 17 retailers

19 retailers€173 EUR to €1,047 EUR

A
Cheapest Retailer
-
€173 EUR
A
Retailer 2
-
€193 EUR
View
Final sale: no returns
A
Retailer 3
-
€200 EUR
View
Retailer 4
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€210 EUR
View
Price last confirmed 45 days ago
A
Retailer 5
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€215 EUR
View
Retailer 6
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€215 EUR
View
Price last confirmed 12 days ago
B+
Retailer 7
-
€373 EUR
View
B+
Retailer 8
-
€387 EUR
View
B+
Retailer 9
-
€398 EUR
View
Retailer 10
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€409 EUR
View
Price last confirmed 8 days ago
B+
Retailer 11
-
€433 EUR
View
Retailer 12
-
€566 EUR
View
Price last confirmed 9 days ago
B
Retailer 13
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€584 EUR
View
B
Retailer 14
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€690 EUR
View
B
Retailer 15
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€691 EUR
View
B
Retailer 16
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€704 EUR
View
B
Retailer 17
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€737 EUR
View
B
Retailer 18
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€1,002 EUR
View
Most Expensive
B
Reve Diamonds
A3692AA53 · Nov 6
€1,047 EUR
$1,175 USD
View
18 more retailers have this diamond
Prices start from €173 EURSave up to €874 EUR

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 Princess
€173 EUR