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Princess|Lab Grown|IGI

1.57ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG602312535

Shape and cutting style on the report: Princess cut

Certificate IGI LG602312535

Diamond specifications and retailer prices

From €149 EUR
$166 USD
As of October 27, 2026
Save €824 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €974 EUR at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.57ct lab-grown princess diamond

This 1.57ct 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 LG602312535 or 602312535. Listed at 18 retailers as of October 27, 2026, with prices from €149 to €974, a €824 spread on the same certified stone. Reve Diamonds lists it at €974. 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

1.57
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602312535
Dimensions6.23 × 6.17 × 4.53 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
6.23 mm6.17 mm1.57 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602312535
Side View
Table 74.0%Crown 49°Girdle: MediumPavilion 38.6°Culet: NoneDepth 73.4%

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: €326 EUR|Low: €118 EUR|High: €974 EUR|Avg: €468 EUR|+4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 29, 2026
Retailer 9€149 EUR
Retailer 2€166 EUR
Retailer 6€250 EUR
Retailer 4€318 EUR
Retailer 1€326 EUR
Retailer 5€333 EUR
Retailer 11€421 EUR
Retailer 10€424 EUR
Retailer 8€626 EUR
Retailer 3€642 EUR
Retailer 7€863 EUR
Reve Diamonds€974 EUR

41 data points across 12 retailers

18 retailers€149 EUR to €974 EUR

A
Cheapest Retailer
-
€149 EUR
$166 USD
A
Retailer 2
-
€149 EUR
$166 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
€166 EUR
$185 USD
View
Final sale: no returns
A
Retailer 4
-
€173 EUR
$192 USD
View
Price last confirmed 35 days ago
A
Retailer 5
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€173 EUR
$192 USD
View
A
Retailer 6
-
€182 EUR
$203 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
€184 EUR
$205 USD
View
A
Retailer 8
-
€184 EUR
$205 USD
View
B+
Retailer 9
-
€250 EUR
$278 USD
View
A
Retailer 10
-
€318 EUR
View
A
Retailer 11
-
€326 EUR
£286 GBP
View
A
Retailer 12
-
€333 EUR
£292 GBP
View
B+
Retailer 13
-
€421 EUR
$469 USD
View
B+
Retailer 14
-
€424 EUR
$472 USD
View
B+
Retailer 15
-
€626 EUR
$697 USD
View
B+
Retailer 16
-
€642 EUR
$715 USD
View
B
Retailer 17
-
€863 EUR
£756 GBP
View
Most Expensive
B
Reve Diamonds
D71178277 · Oct 28
€974 EUR
$1,084 USD
View
17 more retailers have this diamond
Prices start from €149 EURSave up to €824 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
1.57ct Princess
€149 EUR