CaratHunter
Plans
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 €227 EUR
$255 USD
As of November 1, 2026
Save €917 EUR (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,145 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 €227 to €1,145, a €917 spread on the same certified stone. Reve Diamonds lists it at €1,145. 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
Colour
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

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: Nov 1
Current: €666 EUR|Low: €195 EUR|High: €1,024 EUR|Avg: €483 EUR|+11.7%
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 2, 2026
Retailer 12€203 EUR
Retailer 6€227 EUR
Retailer 3€236 EUR
Retailer 4€252 EUR
Retailer 13€252 EUR
Retailer 9€421 EUR
Retailer 2€430 EUR
Retailer 10€458 EUR
Retailer 7€472 EUR
Retailer 5€547 EUR
Retailer 1€666 EUR
Retailer 11€789 EUR
Retailer 14€811 EUR
Retailer 8€1,011 EUR

40 data points across 14 retailers

16 retailers€227 EUR to €1,145 EUR

Retailer 1
-
€203 EUR
$228 USD
Price last confirmed 11 days ago
A
Retailer 2
-
€227 EUR
$255 USD
View
Final sale: no returns
Retailer 3
-
€236 EUR
$265 USD
View
Price last confirmed 12 days ago
Retailer 4
-
€252 EUR
$283 USD
View
Price last confirmed 17 days ago
Retailer 5
-
€252 EUR
$283 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
€421 EUR
View
A
Retailer 7
-
€430 EUR
$482 USD
View
A
Retailer 8
-
€458 EUR
$514 USD
View
A
Retailer 9
-
€472 EUR
£416 GBP
View
B+
Retailer 10
-
€547 EUR
$613 USD
View
B+
Retailer 11
-
€666 EUR
$747 USD
View
Retailer 12
-
€789 EUR
$885 USD
View
Price last confirmed 14 days ago
Retailer 13
-
€811 EUR
$910 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
€858 EUR
$962 USD
View
B
Retailer 15
-
€1,011 EUR
£893 GBP
View
Most Expensive
B
Reve Diamonds
D19BAF116 · Nov 1
€1,145 EUR
$1,284 USD
View
15 more retailers have this diamond
Prices start from €227 EURSave up to €917 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
€227 EUR