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Princess|Lab Grown|IGI

1.51ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG648452613

Shape and cutting style on the report: Princess cut

Certificate IGI LG648452613

Diamond specifications and retailer prices

From $244 SGD
$190 USD
As of October 30, 2026
Save $1,256 SGD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,500 SGD at Brilliant Earth · As of October 29, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648452613 or 648452613. Listed at 18 retailers as of October 29, 2026, with prices from $244 to $1,500, a $1,256 spread on the same certified stone. Brilliant Earth 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

1.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648452613
Dimensions6.36 × 6.35 × 4.15 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.36 mm6.35 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648452613
Side View
Table 71.0%Crown 40.5°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 65.4%

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: $1,500 SGD|Low: $233 SGD|High: $1,538 SGD|Avg: $708 SGD
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 10$244 SGD
Retailer 6$270 SGD
Retailer 4$282 SGD
Retailer 12$301 SGD
Retailer 16$301 SGD
Retailer 2$387 SGD
Retailer 5$413 SGD
Retailer 9$549 SGD
Retailer 11$564 SGD
Retailer 8$633 SGD
Retailer 14$970 SGD
Retailer 15$974 SGD
Retailer 3$1,166 SGD
Retailer 13$1,418 SGD
Retailer 7$1,488 SGD
Brilliant Earth$1,500 SGD

38 data points across 16 retailers

18 retailers$244 SGD to $1,500 SGD

A
Cheapest Retailer
-
$244 SGD
$190 USD
A
Retailer 2
-
$270 SGD
$211 USD
View
Final sale: no returns
A
Retailer 3
-
$282 SGD
$220 USD
View
A
Retailer 4
-
$301 SGD
$235 USD
View
A
Retailer 5
-
$301 SGD
$235 USD
View
A
Retailer 6
-
$387 SGD
£238 GBP
View
B+
Retailer 7
-
$413 SGD
$322 USD
View
A
Retailer 8
-
$549 SGD
£337 GBP
View
A
Retailer 9
-
$564 SGD
€419 EUR
View
B+
Retailer 10
-
$578 SGD
$451 USD
View
B+
Retailer 11
-
$633 SGD
$494 USD
View
B
Retailer 12
-
$970 SGD
$757 USD
View
B
Retailer 13
-
$974 SGD
$760 USD
View
B
Retailer 14
-
$1,039 SGD
$811 USD
View
B
Retailer 15
-
$1,166 SGD
$910 USD
View
B
Retailer 16
-
$1,418 SGD
£871 GBP
View
B
Retailer 17
-
$1,488 SGD
$1,161 USD
View
Most Expensive
B
Brilliant Earth
16229883A · Oct 29
$1,500 SGD
$1,170 USD
View
17 more retailers have this diamond
Prices start from $244 SGDSave up to $1,256 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
$244 SGD