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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 30, 2026
Save €821 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €970 EUR at Reve Diamonds · As of October 30, 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 30, 2026, with prices from €149 to €970, a €821 spread on the same certified stone. Reve Diamonds lists it at €970. 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
Color
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 30
Current: €858 EUR|Low: €117 EUR|High: €970 EUR|Avg: €447 EUR|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 1, 2026
Retailer 10€149 EUR
Retailer 3€166 EUR
Retailer 12€183 EUR
Retailer 8€249 EUR
Retailer 6€317 EUR
Retailer 5€323 EUR
Retailer 7€332 EUR
Retailer 2€420 EUR
Retailer 11€422 EUR
Retailer 9€624 EUR
Retailer 4€640 EUR
Retailer 1€858 EUR
Reve Diamonds€970 EUR

43 data points across 13 retailers

18 retailers€149 EUR to €970 EUR

A
Cheapest Retailer
-
€149 EUR
$166 USD
Retailer 2
-
€149 EUR
$166 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
€166 EUR
$185 USD
View
Final sale: no returns
Retailer 4
-
€172 EUR
$192 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
€172 EUR
$192 USD
View
Retailer 6
-
€182 EUR
$203 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
€183 EUR
$205 USD
View
A
Retailer 8
-
€183 EUR
$205 USD
View
B+
Retailer 9
-
€249 EUR
$278 USD
View
A
Retailer 10
-
€317 EUR
View
A
Retailer 11
-
€323 EUR
£284 GBP
View
A
Retailer 12
-
€332 EUR
£292 GBP
View
B+
Retailer 13
-
€420 EUR
$469 USD
View
B+
Retailer 14
-
€422 EUR
$472 USD
View
B+
Retailer 15
-
€624 EUR
$697 USD
View
B+
Retailer 16
-
€640 EUR
$715 USD
View
B
Retailer 17
-
€858 EUR
£755 GBP
View
Most Expensive
B
Reve Diamonds
D71178277 · Oct 30
€970 EUR
$1,084 USD
View
17 more retailers have this diamond
Prices start from €149 EURSave up to €821 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