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Radiant|Lab Grown|IGI

1.27ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG831604107

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

Certificate IGI LG831604107

Diamond specifications and retailer prices

From €331 EUR
$370 USD
As of November 1, 2026
Save €2,623 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €2,954 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831604107 or 831604107. Listed at 16 retailers as of October 31, 2026, with prices from €331 to €2,954, a €2,623 spread on the same certified stone. Brilliant Earth lists it at €2,954. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604107
Dimensions7.86 × 5.25 × 3.47 mm
L/W Ratio1.50
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
7.86 mm5.25 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604107
Side View
Table 65.0%Crown 42.9°Girdle: MediumPavilion 32.3°Culet: NoneDepth 66.1%

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: Nov 1
Current: €2,954 EUR|Low: €331 EUR|High: €2,954 EUR|Avg: €1,059 EUR
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
November 1, 2026
Retailer 3€331 EUR
Retailer 10€378 EUR
Retailer 16€401 EUR
Retailer 6€501 EUR
Retailer 12€506 EUR
Retailer 14€638 EUR
Retailer 11€658 EUR
Retailer 7€683 EUR
Retailer 13€774 EUR
Retailer 8€946 EUR
Retailer 4€1,176 EUR
Retailer 15€1,221 EUR
Retailer 5€1,327 EUR
Retailer 9€1,443 EUR
Retailer 2€1,473 EUR
Brilliant Earth€2,954 EUR

16 data points across 16 retailers

16 retailers€331 EUR to €2,954 EUR

A
Cheapest Retailer
-
€331 EUR
$370 USD
Final sale: no returns
A
Retailer 2
-
€378 EUR
£333 GBP
View
A
Retailer 3
-
€401 EUR
HK$3,500 HKD
View
A
Retailer 4
-
€501 EUR
$560 USD
View
A
Retailer 5
-
€506 EUR
$565 USD
View
A
Retailer 6
-
€638 EUR
View
A
Retailer 7
-
€658 EUR
£579 GBP
View
A
Retailer 8
-
€683 EUR
ZAR 12,319 ZAR
View
B+
Retailer 9
-
€774 EUR
$865 USD
View
B+
Retailer 10
-
€946 EUR
$1,057 USD
View
B+
Retailer 11
-
€1,176 EUR
SGD 1,776 SGD
View
B+
Retailer 12
-
€1,221 EUR
$1,364 USD
View
B+
Retailer 13
-
€1,327 EUR
$1,482 USD
View
B+
Retailer 14
-
€1,443 EUR
$1,612 USD
View
B+
Retailer 15
-
€1,473 EUR
£1,296 GBP
View
Most Expensive
B
Brilliant Earth
22154082A · Oct 31
€2,954 EUR
$3,300 USD
View
15 more retailers have this diamond
Prices start from €331 EURSave up to €2,623 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
€331 EUR