Radiant|Lab Grown|IGI

1.30ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG623421879

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

Certificate IGI LG623421879

Diamond specifications and retailer prices

From €235 EUR
$264 USD
As of October 30, 2026
Save €1,753 EUR (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,988 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG623421879 or 623421879. Listed at 24 retailers as of October 30, 2026, with prices from €235 to €1,988, a €1,753 spread on the same certified stone. Brilliant Earth lists it at €1,988. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.7°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623421879
Dimensions7.43 × 5.47 × 3.60 mm
L/W Ratio1.36
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
7.43 mm5.47 mm1.30 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623421879
Side View
Table 61.0%Crown 51.7°Girdle: MED-STKPavilion 33.4°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: Oct 30
Current: €1,988 EUR|Low: €226 EUR|High: €1,988 EUR|Avg: €719 EUR|+0.5%
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€235 EUR
Retailer 5€292 EUR
Retailer 8€292 EUR
Retailer 11€308 EUR
Retailer 7€392 EUR
Retailer 17€432 EUR
Retailer 13€462 EUR
Retailer 16€501 EUR
Retailer 9€518 EUR
Retailer 12€558 EUR
Retailer 15€709 EUR
Retailer 3€742 EUR
Retailer 10€800 EUR
Retailer 6€936 EUR
Retailer 14€1,020 EUR
Retailer 2€1,167 EUR
Retailer 18€1,632 EUR
Brilliant Earth€1,988 EUR

38 data points across 18 retailers

24 retailers€235 EUR to €1,988 EUR

A
Cheapest Retailer
-
€235 EUR
$264 USD
A
Retailer 2
-
€262 EUR
$294 USD
View
Final sale: no returns
A
Retailer 3
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€273 EUR
$306 USD
View
Retailer 4
-
€292 EUR
$327 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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€292 EUR
$327 USD
View
A
Retailer 6
-
€308 EUR
£272 GBP
View
A
Retailer 7
-
€392 EUR
$440 USD
View
A
Retailer 8
-
€432 EUR
$485 USD
View
A
Retailer 9
-
€462 EUR
View
A
Retailer 10
-
€501 EUR
ZAR 9,070 ZAR
View
A
Retailer 11
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€518 EUR
$581 USD
View
A
Retailer 12
-
€558 EUR
£493 GBP
View
A
Retailer 13
-
€709 EUR
A$1,223 AUD
View
B+
Retailer 14
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€742 EUR
$832 USD
View
B+
Retailer 15
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€800 EUR
$897 USD
View
Retailer 16
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€818 EUR
$917 USD
View
Price last confirmed 25 days ago
B+
Retailer 17
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€936 EUR
$1,050 USD
View
B+
Retailer 18
-
€982 EUR
$1,102 USD
View
B+
Retailer 19
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€1,020 EUR
A$1,760 AUD
View
B+
Retailer 20
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€1,026 EUR
$1,151 USD
View
B+
Retailer 21
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€1,167 EUR
£1,031 GBP
View
B
Retailer 22
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€1,245 EUR
$1,396 USD
View
Retailer 23
-
€1,632 EUR
$1,830 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
9399402A · Oct 31
€1,988 EUR
$2,230 USD
View
23 more retailers have this diamond
Prices start from €235 EURSave up to €1,753 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
1.30ct Radiant
€235 EUR