Radiant|Lab Grown|IGI

1.57ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG818659743

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG818659743

Diamond specifications and retailer prices

From €705 EUR
$788 USD
As of November 1, 2026
Save €2,481 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €3,187 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818659743 or 818659743. Listed at 8 retailers as of November 1, 2026, with prices from €705 to €3,187, a €2,481 spread on the same certified stone. Do Amore Diamonds lists it at €3,187. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659743
Dimensions8.33 × 5.70 × 3.75 mm
L/W Ratio1.46
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
8.33 mm5.70 mm1.57 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659743
Side View
Table 64.0%Crown 40.9°Girdle: MED-STKPavilion 32.5°Culet: NoneDepth 65.8%

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: Nov 1
Current: €3,187 EUR|Low: €453 EUR|High: €4,091 EUR|Avg: €1,783 EUR|-22.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 12€453 EUR
Retailer 8€705 EUR
Retailer 2€707 EUR
Retailer 11€1,047 EUR
Retailer 3€1,072 EUR
Retailer 7€1,188 EUR
Retailer 10€1,569 EUR
Retailer 6€1,815 EUR
Retailer 4€2,210 EUR
Retailer 5€2,649 EUR
Retailer 9€3,160 EUR
Do Amore Diamonds€3,187 EUR

17 data points across 12 retailers

8 retailers€705 EUR to €3,187 EUR

A
Cheapest Retailer
-
€705 EUR
$788 USD
A
Retailer 2
-
€707 EUR
$790 USD
View
B+
Retailer 3
-
€1,188 EUR
$1,327 USD
View
B+
Retailer 4
-
€1,569 EUR
$1,752 USD
View
B+
Retailer 5
-
€1,815 EUR
£1,597 GBP
View
B
Retailer 6
-
€2,649 EUR
$2,960 USD
View
Retailer 7
-
€3,160 EUR
$3,530 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Do Amore Diamonds
27-0AF752300 · Nov 1
€3,187 EUR
$3,560 USD
View
7 more retailers have this diamond
Prices start from €705 EURSave up to €2,481 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 Radiant
€705 EUR