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Radiant|Lab Grown|IGI

1.70ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG726542816

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

Certificate IGI LG726542816

Diamond specifications and retailer prices

From €280 EUR
$312 USD
As of October 30, 2026
Save €2,801 EUR (91%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,082 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.7ct lab-grown radiant diamond

This 1.7ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG726542816 or 726542816. Listed at 10 retailers as of October 29, 2026, with prices from €280 to €3,082, a €2,801 spread on the same certified stone. Brilliant Earth lists it at €3,082. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726542816
Dimensions8.46 × 5.96 × 3.91 mm
L/W Ratio1.42
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
8.46 mm5.96 mm1.70 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726542816
Side View
Table 64.0%Crown 42.6°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 65.6%

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: €3,082 EUR|Low: €280 EUR|High: €3,082 EUR|Avg: €1,215 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6€280 EUR
Retailer 4€472 EUR
Retailer 5€502 EUR
Retailer 2€549 EUR
Retailer 7€1,003 EUR
Retailer 8€1,094 EUR
Retailer 3€1,255 EUR
Retailer 9€2,394 EUR
Brilliant Earth€3,082 EUR

43 data points across 9 retailers

10 retailers€280 EUR to €3,082 EUR

A
Cheapest Retailer
-
€280 EUR
$312 USD
Final sale: no returns
A
Retailer 2
-
€472 EUR
$525 USD
View
A
Retailer 3
-
€502 EUR
View
A
Retailer 4
-
€549 EUR
£481 GBP
View
A
Retailer 5
-
€1,003 EUR
SGD 1,509 SGD
View
B+
Retailer 6
-
€1,094 EUR
$1,218 USD
View
B+
Retailer 7
-
€1,154 EUR
$1,284 USD
View
B+
Retailer 8
-
€1,255 EUR
£1,100 GBP
View
Retailer 9
-
€2,394 EUR
$2,665 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
15975265A · Oct 29
€3,082 EUR
$3,430 USD
View
9 more retailers have this diamond
Prices start from €280 EURSave up to €2,801 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
1.70ct Radiant
€280 EUR