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Princess|Lab Grown|IGI

1.51ct G SI2 Princess Lab Grown Diamond

ID • G/SI2 • IGI LG512220552

Shape and cutting style on the report: Princess cut

Certificate IGI LG512220552

Diamond specifications and retailer prices

From $1,252 SGD
As of November 4, 2026
Save $2,371 SGD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,622 SGD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512220552 or 512220552. Listed at 10 retailers as of November 4, 2026, with prices from $1,252 to $3,622, a $2,371 spread on the same certified stone. NZ Jewellers lists it at $3,622. 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

1.51
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512220552
Dimensions6.46 × 6.27 × 4.24 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.46 mm6.27 mm1.51 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512220552
Side View
Table 69.5%Crown 42.9°Girdle: MediumPavilion 37.5°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,622 SGD|Low: $1,252 SGD|High: $6,292 SGD|Avg: $2,834 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$1,252 SGD
Retailer 5$1,666 SGD
Retailer 8$1,812 SGD
Retailer 6$1,933 SGD
Retailer 2$2,681 SGD
Retailer 7$3,057 SGD
NZ Jewellers$3,622 SGD
Retailer 3$6,191 SGD

46 data points across 8 retailers

10 retailers$1,252 SGD to $3,622 SGD

B+
Cheapest Retailer
-
$1,252 SGD
B
Retailer 2
-
$1,666 SGD
View
B
Retailer 3
-
$1,812 SGD
View
Retailer 4
-
$1,933 SGD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$1,933 SGD
View
B
Retailer 6
-
$2,681 SGD
View
B
Retailer 7
-
$3,057 SGD
View
B
Retailer 8
-
$3,602 SGD
View
Most Expensive
B
NZ Jewellers
b72a46bb-8494-4d8e-9646-6011191bf4b4 · Nov 6
$3,622 SGD
$2,836 USD
View
8 more retailers have this diamond
Prices start from $1,252 SGDSave up to $2,371 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.

B+
1.51ct Princess
$1,252 SGD