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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 $194 USD
As of November 6, 2026
Save $981 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,175 USD 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 $194 to $1,175, a $981 spread on the same certified stone. Reve Diamonds lists it at $1,175. 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
Color
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: $434 USD|Low: $192 USD|High: $1,210 USD|Avg: $575 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Reve Diamonds
November 6, 2026
Retailer 4$194 USD
Retailer 5$217 USD
Retailer 13$225 USD
Retailer 7$241 USD
Retailer 16$241 USD
Retailer 2$419 USD
Retailer 1$434 USD
Retailer 8$447 USD
Retailer 12$459 USD
Retailer 15$486 USD
Retailer 14$635 USD
Retailer 3$774 USD
Retailer 9$776 USD
Retailer 11$790 USD
Retailer 6$827 USD
Retailer 10$1,125 USD
Reve Diamonds$1,175 USD

45 data points across 17 retailers

19 retailers$194 USD to $1,175 USD

A
Cheapest Retailer
-
$194 USD
A
Retailer 2
-
$217 USD
View
Final sale: no returns
A
Retailer 3
-
$225 USD
View
Retailer 4
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$236 USD
View
Price last confirmed 45 days ago
A
Retailer 5
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$241 USD
View
Retailer 6
-
$241 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$419 USD
View
B+
Retailer 8
-
$434 USD
View
B+
Retailer 9
-
$447 USD
View
Retailer 10
-
$459 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$486 USD
View
Retailer 12
-
$635 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$656 USD
View
B
Retailer 14
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$774 USD
View
B
Retailer 15
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$776 USD
View
B
Retailer 16
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$790 USD
View
B
Retailer 17
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$827 USD
View
B
Retailer 18
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$1,125 USD
View
Most Expensive
B
Reve Diamonds
A3692AA53 · Nov 6
$1,175 USD
View
18 more retailers have this diamond
Prices start from $194 USDSave up to $981 USD

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
$194 USD