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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 $248 SGD
As of November 6, 2026
Save $1,253 SGD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,500 SGD 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 $248 to $1,500, a $1,253 spread on the same certified stone. Reve Diamonds lists it at $1,500. 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: $554 SGD|Low: $245 SGD|High: $1,546 SGD|Avg: $735 SGD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
November 6, 2026
Retailer 4$248 SGD
Retailer 5$277 SGD
Retailer 13$287 SGD
Retailer 7$308 SGD
Retailer 16$308 SGD
Retailer 2$535 SGD
Retailer 1$554 SGD
Retailer 8$571 SGD
Retailer 12$586 SGD
Retailer 15$621 SGD
Retailer 14$811 SGD
Retailer 3$989 SGD
Retailer 9$991 SGD
Retailer 11$1,009 SGD
Retailer 6$1,056 SGD
Retailer 10$1,437 SGD
Reve Diamonds$1,500 SGD

45 data points across 17 retailers

19 retailers$248 SGD to $1,500 SGD

A
Cheapest Retailer
-
$248 SGD
A
Retailer 2
-
$277 SGD
View
Final sale: no returns
A
Retailer 3
-
$287 SGD
View
Retailer 4
-
$301 SGD
View
Price last confirmed 45 days ago
A
Retailer 5
-
$308 SGD
View
Retailer 6
-
$308 SGD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$535 SGD
View
B+
Retailer 8
-
$554 SGD
View
B+
Retailer 9
-
$571 SGD
View
Retailer 10
-
$586 SGD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$621 SGD
View
Retailer 12
-
$811 SGD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$838 SGD
View
B
Retailer 14
-
$989 SGD
View
B
Retailer 15
-
$991 SGD
View
B
Retailer 16
-
$1,009 SGD
View
B
Retailer 17
-
$1,056 SGD
View
B
Retailer 18
-
$1,437 SGD
View
Most Expensive
B
Reve Diamonds
A3692AA53 · Nov 6
$1,500 SGD
$1,175 USD
View
18 more retailers have this diamond
Prices start from $248 SGDSave up to $1,253 SGD

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
$248 SGD