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Radiant|Lab Grown|IGI

1.17ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG631429445

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

Certificate IGI LG631429445

Diamond specifications and retailer prices

From €185 EUR
$208 USD
As of October 30, 2026
Save €1,357 EUR (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,542 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.17ct lab-grown radiant diamond

This 1.17ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG631429445 or 631429445. Listed at 22 retailers as of October 30, 2026, with prices from €185 to €1,542, a €1,357 spread on the same certified stone. Brilliant Earth lists it at €1,542. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631429445
Dimensions5.18 × 5.18 × 3.55 mm
L/W Ratio1.00
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
5.18 mm5.18 mm1.17 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631429445
Side View
Table 63.0%Crown 36.4°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 68.5%

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: €1,542 EUR|Low: €178 EUR|High: €1,997 EUR|Avg: €544 EUR|-22.8%
Brilliant Earth
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 4€185 EUR
Retailer 10€207 EUR
Retailer 14€216 EUR
Retailer 5€230 EUR
Retailer 7€230 EUR
Retailer 2€397 EUR
Retailer 13€420 EUR
Retailer 12€425 EUR
Retailer 8€446 EUR
Retailer 18€563 EUR
Retailer 9€648 EUR
Retailer 6€740 EUR
Retailer 16€743 EUR
Retailer 15€787 EUR
Retailer 3€892 EUR
Retailer 17€927 EUR
Retailer 11€1,088 EUR
Brilliant Earth€1,542 EUR

43 data points across 18 retailers

22 retailers€185 EUR to €1,542 EUR

A
Cheapest Retailer
-
€185 EUR
$208 USD
A
Retailer 2
-
€207 EUR
$232 USD
View
Final sale: no returns
A
Retailer 3
-
€216 EUR
$242 USD
View
Retailer 4
-
€227 EUR
$255 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
€230 EUR
$258 USD
View
Retailer 6
-
€230 EUR
$258 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€310 EUR
$348 USD
View
A
Retailer 8
-
€397 EUR
ZAR 7,201 ZAR
View
A
Retailer 9
-
€420 EUR
View
A
Retailer 10
-
€425 EUR
£375 GBP
View
A
Retailer 11
-
€446 EUR
$500 USD
View
A
Retailer 12
-
€563 EUR
A$971 AUD
View
B+
Retailer 13
-
€598 EUR
$671 USD
View
B+
Retailer 14
-
€626 EUR
£553 GBP
View
B+
Retailer 15
-
€648 EUR
$727 USD
View
B+
Retailer 16
-
€740 EUR
$830 USD
View
B+
Retailer 17
-
€743 EUR
$833 USD
View
B+
Retailer 18
-
€787 EUR
$883 USD
View
Retailer 19
-
€892 EUR
A$1,540 AUD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
€927 EUR
£819 GBP
View
B
Retailer 21
-
€1,088 EUR
$1,220 USD
View
Most Expensive
B
Brilliant Earth
14079215A · Oct 31
€1,542 EUR
$1,730 USD
View
21 more retailers have this diamond
Prices start from €185 EURSave up to €1,357 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
1.17ct Radiant
€185 EUR