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Radiant|Lab Grown|IGI

1.05ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG788625425

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

Certificate IGI LG788625425

Diamond specifications and retailer prices

From $756 NZD
$426 USD
As of October 30, 2026
Save $2,615 NZD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,504 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788625425 or 788625425. Listed at 7 retailers as of October 30, 2026, with a 346% 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

1.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788625425
Dimensions7.23 × 5.12 × 3.32 mm
L/W Ratio1.41
Culet sizeLarge
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
7.23 mm5.12 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788625425
Side View
Table 65.0%Crown 44.9°Girdle: MediumPavilion 34.3°Culet: LargeDepth 64.8%

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: $3,504 NZD|Low: $436 NZD|High: $4,063 NZD|Avg: $1,782 NZD|-0.8%
Rare Carat
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
October 30, 2026
Retailer 5$436 NZD
Retailer 17$683 NZD
Retailer 12$756 NZD
Retailer 4$1,063 NZD
Retailer 16$1,123 NZD
Retailer 8$1,129 NZD
Retailer 6$1,130 NZD
Retailer 15$1,171 NZD
Retailer 11$1,403 NZD
Retailer 14$1,654 NZD
Retailer 3$1,909 NZD
Retailer 13$1,927 NZD
Retailer 7$2,266 NZD
Retailer 2$2,661 NZD
Retailer 9$2,947 NZD
Retailer 10$3,371 NZD
Rare Carat$3,504 NZD

14 data points across 17 retailers

7 retailers$756 NZD to $3,371 NZD

A
Cheapest Retailer
-
$756 NZD
$426 USD
B+
Retailer 2
-
$1,403 NZD
$791 USD
View
B+
Retailer 3
-
$1,654 NZD
$932 USD
View
B+
Retailer 4
-
$1,927 NZD
£855 GBP
View
B
Retailer 5
-
$2,661 NZD
$1,500 USD
View
B
Retailer 6
-
$3,371 NZD
$1,900 USD
View
Most Expensive
Rare Carat
PD-166732 · Oct 21
$3,504 NZD
$1,975 USD
View
Price last confirmed 9 days ago
6 more retailers have this diamond
Prices start from $756 NZDSave up to $2,615 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
1.05ct Radiant
$756 NZD