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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 €217 EUR
$242 USD
As of October 30, 2026
Save €976 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,193 EUR at Reve Diamonds · As of October 30, 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 30, 2026, with prices from €217 to €1,193, a €976 spread on the same certified stone. Reve Diamonds lists it at €1,193. 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

How it works →
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: €510 EUR|Low: €171 EUR|High: €1,193 EUR|Avg: €609 EUR|+5.4%
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 30, 2026
Retailer 4€217 EUR
Retailer 9€243 EUR
Retailer 12€252 EUR
Retailer 6€270 EUR
Retailer 16€270 EUR
Retailer 8€444 EUR
Retailer 2€455 EUR
Retailer 14€497 EUR
Retailer 10€507 EUR
Retailer 1€510 EUR
Retailer 15€708 EUR
Retailer 13€827 EUR
Retailer 3€867 EUR
Retailer 5€914 EUR
Retailer 7€997 EUR
Retailer 11€1,086 EUR
Reve Diamonds€1,193 EUR

43 data points across 17 retailers

18 retailers€217 EUR to €1,193 EUR

A
Cheapest Retailer
-
€217 EUR
$242 USD
A
Retailer 2
-
€243 EUR
$270 USD
View
Final sale: no returns
A
Retailer 3
-
€252 EUR
$281 USD
View
Retailer 4
-
€264 EUR
$294 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
€270 EUR
$300 USD
View
A
Retailer 6
-
€270 EUR
$300 USD
View
B+
Retailer 7
-
€444 EUR
$494 USD
View
B+
Retailer 8
-
€455 EUR
$506 USD
View
B+
Retailer 9
-
€497 EUR
$553 USD
View
B+
Retailer 10
-
€507 EUR
View
B+
Retailer 11
-
€510 EUR
£447 GBP
View
B
Retailer 12
-
€708 EUR
$788 USD
View
B
Retailer 13
-
€827 EUR
$920 USD
View
B
Retailer 14
-
€867 EUR
$965 USD
View
B
Retailer 15
-
€914 EUR
$1,017 USD
View
B
Retailer 16
-
€997 EUR
$1,110 USD
View
B
Retailer 17
-
€1,086 EUR
£952 GBP
View
Most Expensive
B
Reve Diamonds
51455529F · Oct 30
€1,193 EUR
$1,328 USD
View
17 more retailers have this diamond
Prices start from €217 EURSave up to €976 EUR

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
€217 EUR