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Princess|Lab Grown|IGI

1.51ct E IF Princess Lab Grown Diamond

EX • E/IF • IGI LG720540148

Shape and cutting style on the report: Princess cut

Certificate IGI LG720540148

Diamond specifications and retailer prices

From $794 SGD
$621 USD
As of October 30, 2026
Save $3,118 SGD (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,912 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG720540148 or 720540148. Listed at 25 retailers as of October 30, 2026, with prices from $794 to $3,912, a $3,118 spread on the same certified stone. Brilliant Earth lists it at $3,912. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720540148
Dimensions6.22 × 6.16 × 4.46 mm
L/W Ratio1.01
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
6.22 mm6.16 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720540148
Side View
Table 71.0%Crown 47.6°Girdle: Slightly ThickPavilion 37.6°Culet: NoneDepth 72.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,912 SGD|Low: $887 SGD|High: $4,078 SGD|Avg: $2,032 SGD|-4.1%
Brilliant Earth
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
October 30, 2026
Retailer 15$887 SGD
Retailer 6$888 SGD
Retailer 16$984 SGD
Retailer 12$1,144 SGD
Retailer 5$1,249 SGD
Retailer 8$1,319 SGD
Retailer 2$1,541 SGD
Retailer 9$1,648 SGD
Retailer 11$1,691 SGD
Retailer 14$2,139 SGD
Retailer 13$2,653 SGD
Retailer 7$2,864 SGD
Retailer 4$3,108 SGD
Retailer 3$3,140 SGD
Retailer 10$3,898 SGD
Brilliant Earth$3,912 SGD

43 data points across 16 retailers

25 retailers$794 SGD to $3,912 SGD

A
Cheapest Retailer
-
$794 SGD
$621 USD
A
Retailer 2
-
$887 SGD
$694 USD
View
Final sale: no returns
A
Retailer 3
-
$888 SGD
$695 USD
View
A
Retailer 4
-
$984 SGD
$770 USD
View
Retailer 5
-
$984 SGD
$770 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,080 SGD
HK$6,600 HKD
View
A
Retailer 7
-
$1,144 SGD
$895 USD
View
A
Retailer 8
-
$1,249 SGD
$977 USD
View
A
Retailer 9
-
$1,319 SGD
$1,032 USD
View
A
Retailer 10
-
$1,441 SGD
$1,127 USD
View
A
Retailer 11
-
$1,541 SGD
£949 GBP
View
A
Retailer 12
-
$1,648 SGD
€1,228 EUR
View
A
Retailer 13
-
$1,691 SGD
ZAR 21,366 ZAR
View
B+
Retailer 14
-
$2,139 SGD
$1,673 USD
View
B+
Retailer 15
-
$2,587 SGD
$2,024 USD
View
Retailer 16
-
$2,653 SGD
$2,075 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
$2,864 SGD
£1,764 GBP
View
B+
Retailer 18
-
$3,108 SGD
View
B+
Retailer 19
-
$3,140 SGD
$2,456 USD
View
B+
Retailer 20
-
$3,178 SGD
$2,486 USD
View
B+
Retailer 21
-
$3,242 SGD
$2,536 USD
View
B+
Retailer 22
-
$3,261 SGD
$2,551 USD
View
B
Retailer 23
-
$3,556 SGD
£2,190 GBP
View
B
Retailer 24
-
$3,898 SGD
£2,401 GBP
View
Most Expensive
B
Brilliant Earth
15503724A · Oct 30
$3,912 SGD
$3,060 USD
View
24 more retailers have this diamond
Prices start from $794 SGDSave up to $3,118 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
1.51ct Princess
$794 SGD