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Round|Lab Grown|IGI

1.15ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG811638582

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811638582

Diamond specifications and retailer prices

From £356 GBP
$477 USD
As of October 30, 2026
Save £1,271 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,627 GBP at Do Amore Diamonds · As of October 30, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638582 or 811638582. Listed at 8 retailers as of October 30, 2026, with prices from £356 to £1,627, a £1,271 spread on the same certified stone. Do Amore Diamonds lists it at £1,627. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638582
Dimensions6.73 × 6.68 × 4.18 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
6.73 mm6.68 mm1.15 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638582
Side View
Table 56.0%Crown 35.7°Girdle: MediumPavilion 41°Culet: NoneDepth 62.3%

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: Oct 30
Current: £1,627 GBP|Low: £150 GBP|High: £1,679 GBP|Avg: £656 GBP|-3.1%
Do Amore Diamonds
Retailer 2
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October 30, 2026
Retailer 6£150 GBP
Retailer 14£355 GBP
Retailer 10£356 GBP
Retailer 2£375 GBP
Retailer 8£377 GBP
Retailer 5£388 GBP
Retailer 3£419 GBP
Retailer 16£451 GBP
Retailer 11£677 GBP
Retailer 12£710 GBP
Retailer 7£777 GBP
Retailer 4£793 GBP
Retailer 13£922 GBP
Retailer 9£933 GBP
Retailer 15£1,194 GBP
Do Amore Diamonds£1,627 GBP

23 data points across 16 retailers

8 retailers£356 GBP to £1,627 GBP

A
Cheapest Retailer
-
£356 GBP
$477 USD
A
Retailer 2
-
£375 GBP
View
B+
Retailer 3
-
£677 GBP
$907 USD
View
B+
Retailer 4
-
£710 GBP
$951 USD
View
Retailer 5
-
£922 GBP
$1,235 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£933 GBP
View
B
Retailer 7
-
£1,194 GBP
$1,600 USD
View
Most Expensive
B
Do Amore Diamonds
27-04278D5B9 · Oct 30
£1,627 GBP
$2,180 USD
View
7 more retailers have this diamond
Prices start from £356 GBPSave up to £1,271 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
£356 GBP