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Princess|Lab Grown|IGI

1.56ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG687538154

Shape and cutting style on the report: Princess cut

Certificate IGI LG687538154

Diamond specifications and retailer prices

From $310 SGD
$242 USD
As of October 27, 2026
Save $1,392 SGD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,702 SGD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.56ct lab-grown princess diamond

This 1.56ct 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 LG687538154 or 687538154. Listed at 18 retailers as of October 27, 2026, with prices from $310 to $1,702, a $1,392 spread on the same certified stone. Reve Diamonds lists it at $1,702. 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

1.56
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687538154
Dimensions6.31 × 6.24 × 4.52 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
6.31 mm6.24 mm1.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687538154
Side View
Table 70.0%Crown 45.3°Girdle: MediumPavilion 38.5°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 27
Current: $727 SGD|Low: $244 SGD|High: $1,702 SGD|Avg: $861 SGD|+5.2%
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
October 29, 2026
Retailer 4$310 SGD
Retailer 9$346 SGD
Retailer 12$360 SGD
Retailer 6$385 SGD
Retailer 16$385 SGD
Retailer 8$633 SGD
Retailer 2$649 SGD
Retailer 14$709 SGD
Retailer 10$723 SGD
Retailer 1$727 SGD
Retailer 15$1,010 SGD
Retailer 13$1,179 SGD
Retailer 3$1,237 SGD
Retailer 5$1,303 SGD
Retailer 7$1,423 SGD
Retailer 11$1,550 SGD
Reve Diamonds$1,702 SGD

43 data points across 17 retailers

18 retailers$310 SGD to $1,702 SGD

A
Cheapest Retailer
-
$310 SGD
$242 USD
A
Retailer 2
-
$346 SGD
$270 USD
View
Final sale: no returns
A
Retailer 3
-
$360 SGD
$281 USD
View
A
Retailer 4
-
$377 SGD
$294 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$385 SGD
$300 USD
View
A
Retailer 6
-
$385 SGD
$300 USD
View
B+
Retailer 7
-
$633 SGD
$494 USD
View
B+
Retailer 8
-
$649 SGD
$506 USD
View
B+
Retailer 9
-
$709 SGD
$553 USD
View
B+
Retailer 10
-
$723 SGD
€537 EUR
View
B+
Retailer 11
-
$727 SGD
£447 GBP
View
B
Retailer 12
-
$1,010 SGD
$788 USD
View
B
Retailer 13
-
$1,179 SGD
$920 USD
View
B
Retailer 14
-
$1,237 SGD
$965 USD
View
B
Retailer 15
-
$1,303 SGD
$1,017 USD
View
B
Retailer 16
-
$1,423 SGD
$1,110 USD
View
B
Retailer 17
-
$1,550 SGD
£952 GBP
View
Most Expensive
B
Reve Diamonds
51455529F · Oct 28
$1,702 SGD
$1,328 USD
View
17 more retailers have this diamond
Prices start from $310 SGDSave up to $1,392 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
1.56ct Princess
$310 SGD