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Radiant|Lab Grown|IGI

1.05ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816615690

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

Certificate IGI LG816615690

Diamond specifications and retailer prices

From $509 NZD
£226 GBP
As of October 30, 2026
Save $2,862 NZD (85%) vs most expensive(unlock to see where)
8 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 LG816615690 or 816615690. Listed at 8 retailers as of October 30, 2026, with a 562% 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 angle24.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615690
Dimensions6.96 × 5.10 × 3.38 mm
L/W Ratio1.36
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
6.96 mm5.10 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615690
Side View
Table 64.0%Crown 24.7°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
A+
Exceptional
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: $1,752 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
October 30, 2026
Retailer 5$436 NZD
Retailer 8$509 NZD
Retailer 11$756 NZD
Retailer 3$1,029 NZD
Retailer 15$1,123 NZD
Retailer 6$1,130 NZD
Retailer 14$1,171 NZD
Retailer 10$1,403 NZD
Retailer 13$1,654 NZD
Retailer 4$1,909 NZD
Retailer 12$1,927 NZD
Retailer 7$2,266 NZD
Retailer 2$2,661 NZD
Retailer 9$3,371 NZD
Rare Carat$3,504 NZD

20 data points across 15 retailers

8 retailers$509 NZD to $3,371 NZD

A+
Cheapest Retailer
-
$509 NZD
£226 GBP
A
Retailer 2
-
$756 NZD
$426 USD
View
B+
Retailer 3
-
$1,403 NZD
$791 USD
View
B+
Retailer 4
-
$1,654 NZD
$932 USD
View
B+
Retailer 5
-
$1,927 NZD
£855 GBP
View
B
Retailer 6
-
$2,661 NZD
$1,500 USD
View
B
Retailer 7
-
$3,371 NZD
$1,900 USD
View
Most Expensive
Rare Carat
PE-229329 · Oct 21
$3,504 NZD
$1,975 USD
View
Price last confirmed 9 days ago
7 more retailers have this diamond
Prices start from $509 NZDSave up to $2,862 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
$509 NZD