Radiant|Lab Grown|IGI

1.27ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG840634757

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

Certificate IGI LG840634757

Diamond specifications and retailer prices

From €171 EUR
$192 USD
As of October 30, 2026
Save €1,603 EUR (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,774 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.27ct lab-grown radiant diamond

This 1.27ct 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 LG840634757 or 840634757. Listed at 21 retailers as of October 30, 2026, with prices from €171 to €1,774, a €1,603 spread on the same certified stone. Brilliant Earth lists it at €1,774. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634757
Dimensions7.85 × 5.32 × 3.55 mm
L/W Ratio1.48
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
7.85 mm5.32 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634757
Side View
Table 63.0%Crown 47.3°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.7%

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: €1,774 EUR|Low: €171 EUR|High: €1,774 EUR|Avg: €643 EUR
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 11€171 EUR
Retailer 6€192 EUR
Retailer 18€198 EUR
Retailer 4€212 EUR
Retailer 10€212 EUR
Retailer 9€225 EUR
Retailer 2€366 EUR
Retailer 3€370 EUR
Retailer 15€385 EUR
Retailer 16€392 EUR
Retailer 5€433 EUR
Retailer 17€537 EUR
Retailer 19€681 EUR
Retailer 14€729 EUR
Retailer 21€744 EUR
Retailer 8€757 EUR
Retailer 12€794 EUR
Retailer 13€990 EUR
Retailer 20€1,373 EUR
Retailer 7€1,756 EUR
Brilliant Earth€1,774 EUR

17 data points across 21 retailers

21 retailers€171 EUR to €1,774 EUR

A
Cheapest Retailer
-
€171 EUR
$192 USD
A
Retailer 2
-
€192 EUR
$215 USD
View
Final sale: no returns
A
Retailer 3
-
€198 EUR
$222 USD
View
Retailer 4
-
€212 EUR
$238 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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€212 EUR
$238 USD
View
Retailer 6
-
€225 EUR
£199 GBP
View
Price last confirmed 17 days ago
A
Retailer 7
-
€366 EUR
ZAR 6,624 ZAR
View
A
Retailer 8
-
€370 EUR
$415 USD
View
A
Retailer 9
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€385 EUR
£340 GBP
View
A
Retailer 10
-
€392 EUR
View
A
Retailer 11
-
€433 EUR
$486 USD
View
A
Retailer 12
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€537 EUR
$602 USD
View
B+
Retailer 13
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€681 EUR
$764 USD
View
B+
Retailer 14
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€729 EUR
$817 USD
View
B+
Retailer 15
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€744 EUR
$835 USD
View
B+
Retailer 16
-
€757 EUR
SGD 1,147 SGD
View
B+
Retailer 17
-
€794 EUR
$890 USD
View
B+
Retailer 18
-
€990 EUR
£874 GBP
View
Retailer 19
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€1,373 EUR
$1,540 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
€1,756 EUR
$1,969 USD
View
Most Expensive
B
Brilliant Earth
22143126A · Oct 31
€1,774 EUR
$1,990 USD
View
20 more retailers have this diamond
Prices start from €171 EURSave up to €1,603 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
1.27ct Radiant
€171 EUR