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Round|Lab Grown|IGI

1.22ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG807699754

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807699754

Diamond specifications and retailer prices

From £178 GBP
$238 USD
As of October 29, 2026
Save £949 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,127 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807699754 or 807699754. Listed at 19 retailers as of October 29, 2026, with prices from £178 to £1,127, a £949 spread on the same certified stone. Brilliant Earth lists it at £1,127. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807699754
Dimensions6.89 × 6.86 × 4.18 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
6.89 mm6.86 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807699754
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.8%

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: Oct 29
Current: £1,127 GBP|Low: £178 GBP|High: £1,127 GBP|Avg: £446 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 16£178 GBP
Retailer 3£199 GBP
Retailer 13£206 GBP
Retailer 8£220 GBP
Retailer 9£223 GBP
Retailer 10£248 GBP
Retailer 4£297 GBP
Retailer 14£350 GBP
Retailer 18£364 GBP
Retailer 6£378 GBP
Retailer 19£399 GBP
Retailer 15£416 GBP
Retailer 7£537 GBP
Retailer 12£708 GBP
Retailer 2£711 GBP
Retailer 5£712 GBP
Retailer 17£887 GBP
Retailer 11£1,004 GBP
Brilliant Earth£1,127 GBP

19 data points across 19 retailers

19 retailers£178 GBP to £1,127 GBP

A
Cheapest Retailer
-
£178 GBP
$238 USD
A
Retailer 2
-
£199 GBP
$266 USD
View
Final sale: no returns
A
Retailer 3
-
£206 GBP
$276 USD
View
A
Retailer 4
-
£220 GBP
$295 USD
View
A
Retailer 5
-
£223 GBP
$299 USD
View
A
Retailer 6
-
£248 GBP
HK$2,600 HKD
View
A
Retailer 7
-
£297 GBP
$398 USD
View
A
Retailer 8
-
£350 GBP
View
A
Retailer 9
-
£364 GBP
€464 EUR
View
A
Retailer 10
-
£378 GBP
ZAR 8,191 ZAR
View
A
Retailer 11
-
£399 GBP
$535 USD
View
A
Retailer 12
-
£416 GBP
View
B+
Retailer 13
-
£537 GBP
A$1,107 AUD
View
B+
Retailer 14
-
£708 GBP
$949 USD
View
B+
Retailer 15
-
£711 GBP
$952 USD
View
B+
Retailer 16
-
£712 GBP
SGD 1,289 SGD
View
B+
Retailer 17
-
£887 GBP
View
Retailer 18
-
£1,004 GBP
$1,345 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20141654A · Oct 30
£1,127 GBP
$1,510 USD
View
18 more retailers have this diamond
Prices start from £178 GBPSave up to £949 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
1.22ct Round
£178 GBP