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Radiant|Lab Grown|IGI

1.21ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG625448755

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

Certificate IGI LG625448755

Diamond specifications and retailer prices

From $352 NZD
$198 USD
As of November 2, 2026
Save $3,025 NZD (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $3,377 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625448755 or 625448755. Listed at 28 retailers as of November 2, 2026, with prices from $352 to $3,377, a $3,025 spread on the same certified stone. Do Amore Diamonds lists it at $3,377. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.5°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625448755
Dimensions7.79 × 5.29 × 3.50 mm
L/W Ratio1.47
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
7.79 mm5.29 mm1.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625448755
Side View
Table 62.0%Crown 28.5°Girdle: MediumPavilion 32.6°Culet: NoneDepth 66.2%

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: Nov 2
Current: $884 NZD|Low: $352 NZD|High: $3,359 NZD|Avg: $1,197 NZD|+3.6%
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
November 3, 2026
Retailer 15$352 NZD
Retailer 14$402 NZD
Retailer 2$679 NZD
Retailer 4$682 NZD
Retailer 11$810 NZD
Retailer 9$830 NZD
Retailer 6$871 NZD
Retailer 1$884 NZD
Retailer 7$1,072 NZD
Retailer 8$1,176 NZD
Retailer 13$1,406 NZD
Retailer 12$1,855 NZD
Retailer 10$1,928 NZD
Retailer 5$1,994 NZD
Retailer 3$3,359 NZD

45 data points across 15 retailers

28 retailers$352 NZD to $3,377 NZD

A
Cheapest Retailer
-
$352 NZD
$198 USD
Retailer 2
-
$352 NZD
$198 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$352 NZD
$198 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$402 NZD
$226 USD
View
Final sale: no returns
Retailer 5
-
$407 NZD
$229 USD
View
Price last confirmed 36 days ago
Retailer 6
-
$430 NZD
$242 USD
View
Price last confirmed 35 days ago
Retailer 7
-
$435 NZD
$245 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$679 NZD
$382 USD
View
A
Retailer 9
-
$682 NZD
HK$3,000 HKD
View
A
Retailer 10
-
$810 NZD
€434 EUR
View
A
Retailer 11
-
$830 NZD
ZAR 7,548 ZAR
View
A
Retailer 12
-
$871 NZD
$490 USD
View
A
Retailer 13
-
$884 NZD
£392 GBP
View
A
Retailer 14
-
$1,041 NZD
$586 USD
View
A
Retailer 15
-
$1,072 NZD
$603 USD
View
A
Retailer 16
-
$1,176 NZD
A$1,018 AUD
View
B+
Retailer 17
-
$1,406 NZD
$791 USD
View
B+
Retailer 18
-
$1,546 NZD
$870 USD
View
Retailer 19
-
$1,546 NZD
$870 USD
View
Price last confirmed 23 days ago
Retailer 20
-
$1,546 NZD
$870 USD
View
Price last confirmed 33 days ago
B+
Retailer 21
-
$1,852 NZD
$1,042 USD
View
B+
Retailer 22
-
$1,855 NZD
A$1,606 AUD
View
B+
Retailer 23
-
$1,928 NZD
£854 GBP
View
B+
Retailer 24
-
$1,994 NZD
SGD 1,516 SGD
View
B+
Retailer 25
-
$2,109 NZD
$1,187 USD
View
Retailer 26
-
$2,575 NZD
$1,449 USD
View
Price last confirmed 57 days ago
B
Retailer 27
-
$3,359 NZD
$1,890 USD
View
Most Expensive
B
Do Amore Diamonds
27-CB45E29D4 · Nov 2
$3,377 NZD
$1,900 USD
View
27 more retailers have this diamond
Prices start from $352 NZDSave up to $3,025 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
1.21ct Radiant
$352 NZD