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Radiant|Lab Grown|IGI

1.05ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800685018

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

Certificate IGI LG800685018

Diamond specifications and retailer prices

From $621 NZD
$350 USD
As of October 30, 2026
Save $3,336 NZD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,957 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800685018 or 800685018. Listed at 14 retailers as of October 29, 2026, with prices from $621 to $3,957, a $3,336 spread on the same certified stone. Do Amore Diamonds lists it at $3,957. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800685018
Dimensions7.13 × 5.14 × 3.43 mm
L/W Ratio1.39
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
7.13 mm5.14 mm1.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800685018
Side View
Table 62.0%Crown 41.2°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 66.7%

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: $3,957 NZD|Low: $444 NZD|High: $4,950 NZD|Avg: $1,996 NZD|-9.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3$621 NZD
Retailer 5$829 NZD
Retailer 12$864 NZD
Retailer 11$869 NZD
Retailer 7$926 NZD
Retailer 9$1,049 NZD
Retailer 4$1,371 NZD
Retailer 6$1,700 NZD
Retailer 8$2,452 NZD
Retailer 2$3,371 NZD
Retailer 10$3,912 NZD
Do Amore Diamonds$3,957 NZD

25 data points across 12 retailers

14 retailers$621 NZD to $3,957 NZD

Retailer 1
-
$468 NZD
$264 USD
Price last confirmed 20 days ago
Retailer 2
-
$545 NZD
$307 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$621 NZD
$350 USD
View
Final sale: no returns
A
Retailer 4
-
$829 NZD
$467 USD
View
A
Retailer 5
-
$864 NZD
$487 USD
View
A
Retailer 6
-
$869 NZD
$490 USD
View
A
Retailer 7
-
$926 NZD
$522 USD
View
Retailer 8
-
$1,049 NZD
€563 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,700 NZD
$958 USD
View
Retailer 10
-
$2,065 NZD
$1,164 USD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
$2,452 NZD
£1,088 GBP
View
B
Retailer 12
-
$3,371 NZD
$1,900 USD
View
Retailer 13
-
$3,912 NZD
$2,205 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-5407B0CBF · Oct 29
$3,957 NZD
$2,230 USD
View
13 more retailers have this diamond
Prices start from $621 NZDSave up to $3,336 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
$621 NZD