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Round|Lab Grown|IGI

1.17ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG794624863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794624863

Diamond specifications and retailer prices

From £361 GBP
$484 USD
As of October 30, 2026
Save £1,288 GBP (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,649 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.17ct lab-grown round diamond

This 1.17ct 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 LG794624863 or 794624863. Listed at 7 retailers as of October 30, 2026, with prices from £361 to £1,649, a £1,288 spread on the same certified stone. Do Amore Diamonds lists it at £1,649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794624863
Dimensions6.71 × 6.68 × 4.17 mm
L/W Ratio1.00
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
6.71 mm6.68 mm1.17 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794624863
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
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: Oct 30
Current: £1,649 GBP|Low: £153 GBP|High: £1,709 GBP|Avg: £671 GBP|-3.5%
Do Amore Diamonds
Retailer 2
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October 26, 2026
Retailer 5£153 GBP
Retailer 13£358 GBP
Retailer 9£361 GBP
Retailer 8£382 GBP
Retailer 4£394 GBP
Retailer 6£408 GBP
Retailer 16£427 GBP
Retailer 15£465 GBP
Retailer 10£687 GBP
Retailer 11£718 GBP
Retailer 7£790 GBP
Retailer 3£805 GBP
Retailer 12£937 GBP
Retailer 2£944 GBP
Retailer 14£1,217 GBP
Do Amore Diamonds£1,649 GBP

13 data points across 16 retailers

7 retailers£361 GBP to £1,649 GBP

A
Cheapest Retailer
-
£361 GBP
$484 USD
B+
Retailer 2
-
£687 GBP
$921 USD
View
B+
Retailer 3
-
£718 GBP
$962 USD
View
Retailer 4
-
£937 GBP
$1,255 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
£944 GBP
View
B
Retailer 6
-
£1,217 GBP
$1,630 USD
View
Most Expensive
B
Do Amore Diamonds
27-487502699 · Oct 30
£1,649 GBP
$2,210 USD
View
6 more retailers have this diamond
Prices start from £361 GBPSave up to £1,288 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
1.17ct Round
£361 GBP