Radiant|Lab Grown|IGI

1.53ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG786671178

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

Certificate IGI LG786671178

Diamond specifications and retailer prices

From €260 EUR
$290 USD
As of October 30, 2026
Save €1,065 EUR (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €2,036 EUR at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.53ct lab-grown radiant diamond

This 1.53ct 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 LG786671178 or 786671178. Listed at 20 retailers as of October 30, 2026, with a 410% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786671178
Dimensions8.10 × 5.68 × 3.99 mm
L/W Ratio1.43
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
8.10 mm5.68 mm1.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786671178
Side View
Table 58.0%Crown 40.1°Girdle: Slightly ThickPavilion 35.6°Culet: NoneDepth 70.2%

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: €2,036 EUR|Low: €260 EUR|High: €2,068 EUR|Avg: €777 EUR|-1.5%
Rare Carat
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
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Retailer 18
Retailer 19
October 31, 2026
Retailer 11€260 EUR
Retailer 19€289 EUR
Retailer 15€321 EUR
Retailer 9€322 EUR
Retailer 14€479 EUR
Retailer 2€519 EUR
Retailer 7€529 EUR
Retailer 4€552 EUR
Retailer 17€555 EUR
Retailer 13€569 EUR
Retailer 18€748 EUR
Retailer 6€849 EUR
Retailer 10€928 EUR
Retailer 8€1,008 EUR
Retailer 3€1,077 EUR
Retailer 12€1,237 EUR
Retailer 16€1,295 EUR
Retailer 5€1,324 EUR
Rare Carat€2,036 EUR

35 data points across 19 retailers

20 retailers€260 EUR to €1,324 EUR

A
Cheapest Retailer
-
€260 EUR
$290 USD
A
Retailer 2
-
€289 EUR
$323 USD
View
Final sale: no returns
A
Retailer 3
-
€321 EUR
$359 USD
View
A
Retailer 4
-
€322 EUR
$360 USD
View
A
Retailer 5
-
€479 EUR
$535 USD
View
A
Retailer 6
-
€519 EUR
View
A
Retailer 7
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€529 EUR
$591 USD
View
A
Retailer 8
-
€552 EUR
ZAR 9,970 ZAR
View
A
Retailer 9
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€555 EUR
$620 USD
View
A
Retailer 10
-
€569 EUR
£500 GBP
View
A
Retailer 11
-
€748 EUR
A$1,285 AUD
View
A
Retailer 12
-
€849 EUR
$949 USD
View
B+
Retailer 13
-
€928 EUR
$1,037 USD
View
B+
Retailer 14
-
€1,008 EUR
$1,126 USD
View
B+
Retailer 15
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€1,077 EUR
$1,203 USD
View
B+
Retailer 16
-
€1,151 EUR
$1,286 USD
View
B+
Retailer 17
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€1,237 EUR
$1,382 USD
View
B+
Retailer 18
-
€1,295 EUR
£1,139 GBP
View
B+
Retailer 19
-
€1,324 EUR
$1,480 USD
View
Most Expensive
Rare Carat
F-666-384 · Oct 18
€2,036 EUR
$2,275 USD
View
Price last confirmed 13 days ago
19 more retailers have this diamond
Prices start from €260 EURSave up to €1,065 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
1.53ct Radiant
€260 EUR