CaratHunter
Plans
Radiant|Lab Grown|IGI

1.09ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG784646181

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

Certificate IGI LG784646181

Diamond specifications and retailer prices

From $643 NZD
$362 USD
As of November 3, 2026
Save $3,462 NZD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,106 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown radiant diamond

This 1.09ct 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 LG784646181 or 784646181. Listed at 14 retailers as of November 2, 2026, with prices from $643 to $4,106, a $3,462 spread on the same certified stone. Do Amore Diamonds lists it at $4,106. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646181
Dimensions7.49 × 5.02 × 3.30 mm
L/W Ratio1.49
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
7.49 mm5.02 mm1.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646181
Side View
Table 63.0%Crown 40.6°Girdle: Slightly ThickPavilion 32.5°Culet: NoneDepth 65.7%

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: Nov 3
Current: $4,106 NZD|Low: $643 NZD|High: $5,136 NZD|Avg: $2,067 NZD|-9.4%
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 31, 2026
Retailer 3$643 NZD
Retailer 7$851 NZD
Retailer 12$919 NZD
Retailer 11$924 NZD
Retailer 9$954 NZD
Retailer 2$1,086 NZD
Retailer 4$1,422 NZD
Retailer 8$1,761 NZD
Retailer 6$2,551 NZD
Retailer 5$3,519 NZD
Retailer 10$4,070 NZD
Do Amore Diamonds$4,106 NZD

25 data points across 12 retailers

14 retailers$643 NZD to $4,106 NZD

Retailer 1
-
$487 NZD
$274 USD
Price last confirmed 23 days ago
Retailer 2
-
$563 NZD
$317 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$643 NZD
$362 USD
View
Final sale: no returns
A
Retailer 4
-
$851 NZD
$479 USD
View
A
Retailer 5
-
$919 NZD
$517 USD
View
A
Retailer 6
-
$924 NZD
$520 USD
View
A
Retailer 7
-
$954 NZD
$537 USD
View
A
Retailer 8
-
$1,086 NZD
€582 EUR
View
B+
Retailer 9
-
$1,761 NZD
$991 USD
View
Retailer 10
-
$2,140 NZD
$1,204 USD
View
Price last confirmed 24 days ago
B+
Retailer 11
-
$2,551 NZD
£1,130 GBP
View
B
Retailer 12
-
$3,519 NZD
$1,980 USD
View
B
Retailer 13
-
$4,070 NZD
$2,290 USD
View
Most Expensive
B
Do Amore Diamonds
27-8F56D8E03 · Nov 2
$4,106 NZD
$2,310 USD
View
13 more retailers have this diamond
Prices start from $643 NZDSave up to $3,462 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
1.09ct Radiant
$643 NZD