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1.15ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG804668375

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804668375

Diamond specifications and retailer prices

From £352 GBP
$473 USD
As of November 1, 2026
Save £1,250 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,602 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.15ct lab-grown round diamond

This 1.15ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804668375 or 804668375. Listed at 8 retailers as of November 1, 2026, with prices from £352 to £1,602, a £1,250 spread on the same certified stone. Do Amore Diamonds lists it at £1,602. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804668375
Dimensions6.78 × 6.73 × 4.13 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.78 mm6.73 mm1.15 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804668375
Side View
Table 58.0%Crown 33.3°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.1%

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: £1,602 GBP|Low: £149 GBP|High: £1,811 GBP|Avg: £653 GBP|-11.5%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 17
November 2, 2026
Retailer 6£149 GBP
Retailer 12£352 GBP
Retailer 2£360 GBP
Retailer 9£365 GBP
Retailer 16£373 GBP
Retailer 5£385 GBP
Retailer 8£402 GBP
Retailer 3£416 GBP
Retailer 17£440 GBP
Retailer 13£666 GBP
Retailer 14£679 GBP
Retailer 7£745 GBP
Retailer 4£787 GBP
Retailer 15£823 GBP
Retailer 10£914 GBP
Retailer 11£1,177 GBP
Do Amore Diamonds£1,602 GBP

25 data points across 17 retailers

8 retailers£352 GBP to £1,602 GBP

A
Cheapest Retailer
-
£352 GBP
$473 USD
A
Retailer 2
-
£360 GBP
View
B+
Retailer 3
-
£666 GBP
$894 USD
View
B+
Retailer 4
-
£679 GBP
$911 USD
View
B
Retailer 5
-
£823 GBP
$1,105 USD
View
B
Retailer 6
-
£914 GBP
View
B
Retailer 7
-
£1,177 GBP
$1,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-F968066D2 · Nov 1
£1,602 GBP
$2,150 USD
View
7 more retailers have this diamond
Prices start from £352 GBPSave up to £1,250 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
1.15ct Round
£352 GBP