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Round|Lab Grown|IGI

1.56ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG670466228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG670466228

Diamond specifications and retailer prices

From €323 EUR
$362 USD
As of November 1, 2026
Save €1,951 EUR (86%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: €2,274 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG670466228 or 670466228. Listed at 28 retailers as of October 31, 2026, with prices from €323 to €2,274, a €1,951 spread on the same certified stone. Brilliant Earth lists it at €2,274. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670466228
Dimensions7.36 × 7.40 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.36 mm7.40 mm1.56 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670466228
Side View
Table 55.0%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 63.0%

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: €2,274 EUR|Low: €320 EUR|High: €2,470 EUR|Avg: €951 EUR|-7.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 12€323 EUR
Retailer 19€361 EUR
Retailer 4€374 EUR
Retailer 8€400 EUR
Retailer 9€400 EUR
Retailer 22€535 EUR
Retailer 7€629 EUR
Retailer 10€641 EUR
Retailer 21€665 EUR
Retailer 2€667 EUR
Retailer 13€691 EUR
Retailer 16€720 EUR
Retailer 6€825 EUR
Retailer 20€930 EUR
Retailer 3€1,174 EUR
Retailer 14€1,287 EUR
Retailer 15€1,324 EUR
Retailer 18€1,514 EUR
Retailer 11€1,526 EUR
Retailer 17€1,565 EUR
Retailer 5€1,752 EUR
Brilliant Earth€2,274 EUR

37 data points across 22 retailers

28 retailers€323 EUR to €2,274 EUR

Retailer 1
-
€320 EUR
$359 USD
Price last confirmed 41 days ago
A
Retailer 2
-
€323 EUR
$362 USD
View
A
Retailer 3
-
€361 EUR
$405 USD
View
Final sale: no returns
A
Retailer 4
-
€374 EUR
$420 USD
View
Retailer 5
-
€391 EUR
$439 USD
View
Price last confirmed 41 days ago
Retailer 6
-
€400 EUR
$449 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
€400 EUR
$449 USD
View
A
Retailer 8
-
€535 EUR
$600 USD
View
A
Retailer 9
-
€629 EUR
$705 USD
View
A
Retailer 10
-
€641 EUR
$719 USD
View
A
Retailer 11
-
€665 EUR
A$1,148 AUD
View
A
Retailer 12
-
€667 EUR
View
A
Retailer 13
-
€691 EUR
ZAR 12,516 ZAR
View
B+
Retailer 14
-
€720 EUR
£636 GBP
View
B+
Retailer 15
-
€825 EUR
$925 USD
View
B+
Retailer 16
-
€930 EUR
A$1,604 AUD
View
B+
Retailer 17
-
€1,047 EUR
$1,174 USD
View
Retailer 18
-
€1,174 EUR
$1,317 USD
View
Price last confirmed 10 days ago
Retailer 19
-
€1,276 EUR
$1,431 USD
View
Price last confirmed 42 days ago
B
Retailer 20
-
€1,287 EUR
$1,444 USD
View
B
Retailer 21
-
€1,324 EUR
$1,485 USD
View
B
Retailer 22
-
€1,462 EUR
$1,640 USD
View
B
Retailer 23
-
€1,514 EUR
$1,698 USD
View
B
Retailer 24
-
€1,526 EUR
$1,712 USD
View
B
Retailer 25
-
€1,565 EUR
£1,382 GBP
View
Retailer 26
-
€1,752 EUR
$1,965 USD
View
Price last confirmed 12 days ago
B
Retailer 27
-
€1,796 EUR
$2,014 USD
View
Most Expensive
B
Brilliant Earth
14234461A · Oct 31
€2,274 EUR
$2,550 USD
View
27 more retailers have this diamond
Prices start from €323 EURSave up to €1,951 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 Round
€323 EUR