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Radiant|Lab Grown|IGI

1.56ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG787623429

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

Certificate IGI LG787623429

Diamond specifications and retailer prices

From €745 EUR
HK$6,500 HKD
As of October 31, 2026
Save €2,487 EUR (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,231 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787623429 or 787623429. Listed at 13 retailers as of October 30, 2026, with prices from €745 to €3,231, a €2,487 spread on the same certified stone. Brilliant Earth lists it at €3,231. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623429
Dimensions8.53 × 5.73 × 3.74 mm
L/W Ratio1.49
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
8.53 mm5.73 mm1.56 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623429
Side View
Table 62.0%Crown 41.8°Girdle: Slightly ThickPavilion 33.2°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €3,231 EUR|Low: €745 EUR|High: €4,610 EUR|Avg: €1,862 EUR|-29.9%
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
October 31, 2026
Retailer 9€745 EUR
Retailer 11€841 EUR
Retailer 3€917 EUR
Retailer 2€994 EUR
Retailer 6€1,016 EUR
Retailer 13€1,045 EUR
Retailer 8€1,117 EUR
Retailer 12€1,536 EUR
Retailer 10€2,075 EUR
Retailer 5€2,105 EUR
Retailer 7€2,837 EUR
Retailer 4€3,025 EUR
Brilliant Earth€3,231 EUR

43 data points across 13 retailers

13 retailers€745 EUR to €3,231 EUR

A
Cheapest Retailer
-
€745 EUR
HK$6,500 HKD
A
Retailer 2
-
€841 EUR
$940 USD
View
A
Retailer 3
-
€917 EUR
$1,025 USD
View
B+
Retailer 4
-
€994 EUR
View
B+
Retailer 5
-
€1,016 EUR
£894 GBP
View
B+
Retailer 6
-
€1,045 EUR
$1,167 USD
View
B+
Retailer 7
-
€1,117 EUR
ZAR 20,167 ZAR
View
B+
Retailer 8
-
€1,536 EUR
$1,716 USD
View
B+
Retailer 9
-
€2,075 EUR
$2,318 USD
View
B
Retailer 10
-
€2,105 EUR
$2,351 USD
View
B
Retailer 11
-
€2,837 EUR
£2,496 GBP
View
B
Retailer 12
-
€3,025 EUR
$3,379 USD
View
Most Expensive
B
Brilliant Earth
19961722A · Oct 30
€3,231 EUR
$3,610 USD
View
12 more retailers have this diamond
Prices start from €745 EURSave up to €2,487 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
1.56ct Radiant
€745 EUR