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Radiant|Lab Grown|IGI

1.56ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG605366722

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

Certificate IGI LG605366722

Diamond specifications and retailer prices

From €228 EUR
$255 USD
As of November 1, 2026
Save €921 EUR (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,149 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605366722 or 605366722. Listed at 16 retailers as of November 1, 2026, with prices from €228 to €1,149, a €921 spread on the same certified stone. Reve Diamonds lists it at €1,149. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.56
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605366722
Dimensions8.50 × 5.49 × 3.67 mm
L/W Ratio1.55
Culet sizePointed
Top View
8.50 mm5.49 mm1.56 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605366722
Side View
Table 66.0%Crown 43.3°Girdle: MediumPavilion 30.5°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €1,015 EUR|Low: €196 EUR|High: €1,028 EUR|Avg: €485 EUR
Retailer 1
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
November 1, 2026
Retailer 12€204 EUR
Retailer 6€228 EUR
Retailer 3€237 EUR
Retailer 4€253 EUR
Retailer 13€253 EUR
Retailer 8€423 EUR
Retailer 2€431 EUR
Retailer 9€460 EUR
Retailer 7€469 EUR
Retailer 5€549 EUR
Retailer 11€661 EUR
Retailer 10€792 EUR
Retailer 14€815 EUR
Retailer 1€1,015 EUR

40 data points across 14 retailers

16 retailers€228 EUR to €1,149 EUR

Retailer 1
-
€204 EUR
$228 USD
Price last confirmed 10 days ago
A
Retailer 2
-
€228 EUR
$255 USD
View
Final sale: no returns
Retailer 3
-
€237 EUR
$265 USD
View
Price last confirmed 11 days ago
Retailer 4
-
€253 EUR
$283 USD
View
Price last confirmed 16 days ago
Retailer 5
-
€253 EUR
$283 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
€423 EUR
View
A
Retailer 7
-
€431 EUR
$482 USD
View
A
Retailer 8
-
€460 EUR
$514 USD
View
A
Retailer 9
-
€469 EUR
£413 GBP
View
B+
Retailer 10
-
€549 EUR
$613 USD
View
B
Retailer 11
-
€661 EUR
$739 USD
View
Retailer 12
-
€792 EUR
$885 USD
View
Price last confirmed 13 days ago
Retailer 13
-
€815 EUR
$910 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
€861 EUR
$962 USD
View
B
Retailer 15
-
€1,015 EUR
£893 GBP
View
Most Expensive
B
Reve Diamonds
D19BAF116 · Nov 1
€1,149 EUR
$1,284 USD
View
15 more retailers have this diamond
Prices start from €228 EURSave up to €921 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
€228 EUR