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Radiant|Lab Grown|IGI

1.00ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG668427826

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

Certificate IGI LG668427826

Diamond specifications and retailer prices

From $433 NZD
$244 USD
As of October 30, 2026
Save $3,719 NZD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,152 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1ct lab-grown radiant diamond

This 1ct 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 LG668427826 or 668427826. Listed at 22 retailers as of October 29, 2026, with prices from $433 to $4,152, a $3,719 spread on the same certified stone. Do Amore Diamonds lists it at $4,152. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668427826
Dimensions7.09 × 4.88 × 3.28 mm
L/W Ratio1.45
Culet sizePointed
Top View
7.09 mm4.88 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668427826
Side View
Table 66.0%Crown 43.3°Girdle: MediumPavilion 34.3°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,041 NZD|Low: $415 NZD|High: $3,478 NZD|Avg: $1,156 NZD|+3.2%
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
October 30, 2026
Retailer 3$433 NZD
Retailer 5$484 NZD
Retailer 2$502 NZD
Retailer 14$538 NZD
Retailer 16$538 NZD
Retailer 13$630 NZD
Retailer 7$720 NZD
Retailer 8$786 NZD
Retailer 10$1,019 NZD
Retailer 1$1,041 NZD
Retailer 9$1,443 NZD
Retailer 6$1,649 NZD
Retailer 15$1,733 NZD
Retailer 4$1,906 NZD
Retailer 11$2,389 NZD
Retailer 12$3,371 NZD

43 data points across 16 retailers

22 retailers$433 NZD to $4,152 NZD

A
Cheapest Retailer
-
$433 NZD
$244 USD
A
Retailer 2
-
$484 NZD
$273 USD
View
Final sale: no returns
A
Retailer 3
-
$502 NZD
$283 USD
View
A
Retailer 4
-
$538 NZD
$303 USD
View
A
Retailer 5
-
$538 NZD
$303 USD
View
Retailer 6
-
$630 NZD
£280 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$720 NZD
$406 USD
View
A
Retailer 8
-
$781 NZD
$440 USD
View
A
Retailer 9
-
$786 NZD
$443 USD
View
A
Retailer 10
-
$1,019 NZD
ZAR 9,278 ZAR
View
A
Retailer 11
-
$1,041 NZD
£462 GBP
View
B+
Retailer 12
-
$1,443 NZD
A$1,251 AUD
View
B+
Retailer 13
-
$1,649 NZD
A$1,430 AUD
View
B+
Retailer 14
-
$1,733 NZD
$977 USD
View
B+
Retailer 15
-
$1,906 NZD
$1,074 USD
View
B
Retailer 16
-
$2,025 NZD
£899 GBP
View
B
Retailer 17
-
$2,204 NZD
$1,242 USD
View
B
Retailer 18
-
$2,298 NZD
£1,020 GBP
View
B
Retailer 19
-
$2,365 NZD
$1,333 USD
View
Retailer 20
-
$2,389 NZD
£1,060 GBP
View
Price last confirmed 11 days ago
B
Retailer 21
-
$3,371 NZD
$1,900 USD
View
Most Expensive
B
Do Amore Diamonds
27-761D7E9D0 · Oct 29
$4,152 NZD
$2,340 USD
View
21 more retailers have this diamond
Prices start from $433 NZDSave up to $3,719 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
1.00ct Radiant
$433 NZD