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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 $373 NZD
As of November 4, 2026
Save $3,211 NZD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,078 NZD 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
Colour
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

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: Nov 4
Current: $953 NZD|Low: $360 NZD|High: $4,151 NZD|Avg: $1,506 NZD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
November 5, 2026
Retailer 2$373 NZD
Retailer 9$417 NZD
Retailer 19$433 NZD
Retailer 6$461 NZD
Retailer 10$461 NZD
Retailer 14$523 NZD
Retailer 16$660 NZD
Retailer 15$880 NZD
Retailer 4$894 NZD
Retailer 1$953 NZD
Retailer 18$1,244 NZD
Retailer 5$1,490 NZD
Retailer 3$1,639 NZD
Retailer 13$1,943 NZD
Retailer 11$2,010 NZD
Retailer 12$2,038 NZD
Retailer 8$2,173 NZD
Retailer 17$3,140 NZD
Retailer 20$3,255 NZD
Retailer 7$3,583 NZD

39 data points across 20 retailers

24 retailers$373 NZD to $3,583 NZD

A
Cheapest Retailer
-
$373 NZD
A
Retailer 2
-
$417 NZD
View
Final sale: no returns
A
Retailer 3
-
$433 NZD
View
Retailer 4
-
$461 NZD
View
Price last confirmed 11 days ago
A
Retailer 5
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$461 NZD
View
A
Retailer 6
-
$523 NZD
View
A
Retailer 7
-
$660 NZD
View
A
Retailer 8
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$703 NZD
View
A
Retailer 9
-
$880 NZD
View
A
Retailer 10
-
$894 NZD
View
A
Retailer 11
-
$953 NZD
View
A
Retailer 12
-
$1,066 NZD
View
Retailer 13
-
$1,244 NZD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$1,490 NZD
View
B+
Retailer 15
-
$1,639 NZD
View
B+
Retailer 16
-
$1,943 NZD
View
B+
Retailer 17
-
$1,999 NZD
View
B+
Retailer 18
-
$2,010 NZD
View
B+
Retailer 19
-
$2,038 NZD
View
B
Retailer 20
-
$2,173 NZD
View
B
Retailer 21
-
$3,140 NZD
View
Retailer 22
-
$3,255 NZD
View
Price last confirmed 18 days ago
B
Retailer 23
-
$3,583 NZD
View
Most Expensive
Queensmith
LG742529028 · Oct 27
$4,078 NZD
£1,810 GBP
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from $373 NZDSave up to $3,211 NZD

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
$373 NZD