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Round|Lab Grown|IGI

1.56ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG836688712

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836688712

Diamond specifications and retailer prices

From £230 GBP
$308 USD
As of November 1, 2026
Save £1,576 GBP (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,806 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG836688712 or 836688712. Listed at 14 retailers as of November 1, 2026, with prices from £230 to £1,806, a £1,576 spread on the same certified stone. Do Amore Diamonds lists it at £1,806. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836688712
Dimensions7.54 × 7.50 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm7.50 mm1.56 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836688712
Side View
Table 57.0%Crown 33.2°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 60.7%

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: £1,806 GBP|Low: £230 GBP|High: £1,993 GBP|Avg: £766 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 3£230 GBP
Retailer 7£314 GBP
Retailer 5£341 GBP
Retailer 9£343 GBP
Retailer 6£396 GBP
Retailer 11£441 GBP
Retailer 12£650 GBP
Retailer 4£712 GBP
Retailer 2£728 GBP
Retailer 13£983 GBP
Retailer 8£1,118 GBP
Retailer 10£1,746 GBP
Do Amore Diamonds£1,806 GBP

8 data points across 13 retailers

14 retailers£230 GBP to £1,806 GBP

A
Cheapest Retailer
-
£230 GBP
$308 USD
Final sale: no returns
A
Retailer 2
-
£314 GBP
$421 USD
View
B+
Retailer 3
-
£341 GBP
$457 USD
View
A
Retailer 4
-
£343 GBP
$460 USD
View
A
Retailer 5
-
£396 GBP
View
A
Retailer 6
-
£441 GBP
€563 EUR
View
B+
Retailer 7
-
£650 GBP
A$1,339 AUD
View
B+
Retailer 8
-
£712 GBP
$954 USD
View
B+
Retailer 9
-
£728 GBP
$975 USD
View
B+
Retailer 10
-
£983 GBP
$1,317 USD
View
B
Retailer 11
-
£1,118 GBP
View
B
Retailer 12
-
£1,414 GBP
$1,895 USD
View
B
Retailer 13
-
£1,746 GBP
$2,340 USD
View
Most Expensive
B
Do Amore Diamonds
27-F0162583C · Nov 2
£1,806 GBP
$2,420 USD
View
13 more retailers have this diamond
Prices start from £230 GBPSave up to £1,576 GBP

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
£230 GBP