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 $210 USD
As of November 4, 2026
Save $1,810 USD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,299 USD 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 November 4, 2026, with a 862% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $295 USD|Low: $203 USD|High: $2,340 USD|Avg: $821 USD|-0.7%
Retailer 1
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Retailer 20
November 4, 2026
Retailer 2$210 USD
Retailer 9$235 USD
Retailer 19$244 USD
Retailer 6$260 USD
Retailer 10$260 USD
Retailer 1$295 USD
Retailer 16$372 USD
Retailer 14$496 USD
Retailer 4$504 USD
Retailer 12$536 USD
Retailer 18$701 USD
Retailer 5$840 USD
Retailer 3$924 USD
Retailer 13$1,095 USD
Retailer 11$1,133 USD
Retailer 15$1,151 USD
Retailer 8$1,225 USD
Retailer 17$1,770 USD
Retailer 20$1,835 USD
Retailer 7$2,020 USD

39 data points across 20 retailers

24 retailers$210 USD to $2,020 USD

A
Cheapest Retailer
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$210 USD
A
Retailer 2
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$235 USD
View
Final sale: no returns
A
Retailer 3
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$244 USD
View
Retailer 4
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$260 USD
View
Price last confirmed 10 days ago
A
Retailer 5
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$260 USD
View
A
Retailer 6
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$295 USD
View
A
Retailer 7
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$372 USD
View
A
Retailer 8
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$396 USD
View
A
Retailer 9
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$496 USD
View
A
Retailer 10
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$504 USD
View
A
Retailer 11
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$536 USD
View
A
Retailer 12
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$601 USD
View
Retailer 13
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$701 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
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$840 USD
View
B+
Retailer 15
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$924 USD
View
B+
Retailer 16
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$1,095 USD
View
B+
Retailer 17
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$1,127 USD
View
B+
Retailer 18
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$1,133 USD
View
B+
Retailer 19
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$1,151 USD
View
B
Retailer 20
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$1,225 USD
View
B
Retailer 21
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$1,770 USD
View
Retailer 22
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$1,835 USD
View
Price last confirmed 17 days ago
B
Retailer 23
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$2,020 USD
View
Most Expensive
Queensmith
LG742529028 · Oct 27
$2,299 USD
£1,810 GBP
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from $210 USDSave up to $1,810 USD

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
$210 USD