Radiant|Lab Grown|IGI

1.22ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG742529028

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG742529028

Diamond specifications and retailer prices

From €188 EUR
$210 USD
As of October 30, 2026
Save €1,870 EUR (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €2,058 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.22ct lab-grown radiant diamond

This 1.22ct lab-grown radiant 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 LG742529028 or 742529028. Listed at 24 retailers as of October 27, 2026, with prices from €188 to €2,058, a €1,870 spread on the same certified stone. Queensmith lists it at €2,058. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742529028
Dimensions7.87 × 5.45 × 3.59 mm
L/W Ratio1.44
Culet sizePointed
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
7.87 mm5.45 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742529028
Side View
Table 63.0%Crown 39.7°Girdle: MediumPavilion 36.6°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €333 EUR|Low: €182 EUR|High: €2,095 EUR|Avg: €734 EUR|-0.5%
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Retailer 21
October 30, 2026
Retailer 2€188 EUR
Retailer 9€210 EUR
Retailer 20€218 EUR
Retailer 6€233 EUR
Retailer 10€233 EUR
Retailer 15€266 EUR
Retailer 1€333 EUR
Retailer 18€442 EUR
Retailer 4€451 EUR
Retailer 16€485 EUR
Retailer 19€628 EUR
Retailer 5€752 EUR
Retailer 3€827 EUR
Retailer 13€981 EUR
Retailer 14€1,009 EUR
Retailer 11€1,015 EUR
Retailer 17€1,037 EUR
Retailer 8€1,097 EUR
Retailer 12€1,584 EUR
Retailer 21€1,642 EUR
Retailer 7€1,808 EUR

37 data points across 21 retailers

24 retailers€188 EUR to €2,058 EUR

A
Cheapest Retailer
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€188 EUR
$210 USD
A
Retailer 2
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€210 EUR
$235 USD
View
Final sale: no returns
A
Retailer 3
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€218 EUR
$244 USD
View
A
Retailer 4
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€233 EUR
$260 USD
View
A
Retailer 5
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€233 EUR
$260 USD
View
A
Retailer 6
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€266 EUR
£234 GBP
View
A
Retailer 7
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€333 EUR
$372 USD
View
A
Retailer 8
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€355 EUR
HK$3,100 HKD
View
A
Retailer 9
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€442 EUR
ZAR 7,980 ZAR
View
A
Retailer 10
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€451 EUR
$504 USD
View
A
Retailer 11
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€485 EUR
£427 GBP
View
A
Retailer 12
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€538 EUR
$601 USD
View
A
Retailer 13
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€628 EUR
A$1,079 AUD
View
B+
Retailer 14
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€752 EUR
$840 USD
View
B+
Retailer 15
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€827 EUR
$924 USD
View
B+
Retailer 16
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€981 EUR
$1,096 USD
View
B+
Retailer 17
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€1,009 EUR
£888 GBP
View
B+
Retailer 18
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€1,015 EUR
SGD 1,532 SGD
View
B+
Retailer 19
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€1,037 EUR
£912 GBP
View
B
Retailer 20
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€1,097 EUR
$1,226 USD
View
B
Retailer 21
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€1,584 EUR
$1,770 USD
View
Retailer 22
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€1,642 EUR
$1,835 USD
View
Price last confirmed 14 days ago
B
Retailer 23
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€1,808 EUR
$2,020 USD
View
Most Expensive
B
Queensmith
LG742529028 · Oct 27
€2,058 EUR
£1,810 GBP
View
23 more retailers have this diamond
Prices start from €188 EURSave up to €1,870 EUR

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 Radiant
€188 EUR