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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830625280

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

Certificate IGI LG830625280

Diamond specifications and retailer prices

From $1,139 NZD
$642 USD
As of October 30, 2026
Save $8,974 NZD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,114 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.89ct lab-grown radiant diamond

This 1.89ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830625280 or 830625280. Listed at 17 retailers as of October 30, 2026, with prices from $1,139 to $10,114, a $8,974 spread on the same certified stone. Do Amore Diamonds lists it at $10,114. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830625280
Dimensions9.11 × 6.18 × 3.97 mm
L/W Ratio1.47
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
9.11 mm6.18 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830625280
Side View
Table 58.0%Crown 40.1°Girdle: ThickPavilion 33.1°Culet: NoneDepth 64.2%

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: $10,114 NZD|Low: $1,139 NZD|High: $11,089 NZD|Avg: $4,265 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
October 31, 2026
Retailer 15$1,139 NZD
Retailer 7$1,238 NZD
Retailer 18$1,622 NZD
Retailer 14$1,686 NZD
Retailer 17$2,156 NZD
Retailer 4$2,298 NZD
Retailer 2$2,448 NZD
Retailer 13$2,461 NZD
Retailer 3$3,375 NZD
Retailer 6$3,918 NZD
Retailer 5$4,099 NZD
Retailer 8$4,952 NZD
Retailer 9$5,447 NZD
Retailer 12$5,755 NZD
Retailer 16$6,395 NZD
Retailer 11$7,470 NZD
Retailer 10$8,233 NZD
Do Amore Diamonds$10,114 NZD

34 data points across 18 retailers

17 retailers$1,139 NZD to $10,114 NZD

A
Cheapest Retailer
-
$1,139 NZD
$642 USD
A
Retailer 2
-
$1,238 NZD
$698 USD
View
A
Retailer 3
-
$1,622 NZD
$914 USD
View
A
Retailer 4
-
$1,686 NZD
$950 USD
View
A
Retailer 5
-
$2,156 NZD
$1,215 USD
View
A
Retailer 6
-
$2,214 NZD
$1,248 USD
View
A
Retailer 7
-
$2,298 NZD
$1,295 USD
View
B+
Retailer 8
-
$2,448 NZD
€1,314 EUR
View
B+
Retailer 9
-
$3,375 NZD
$1,902 USD
View
B+
Retailer 10
-
$3,918 NZD
$2,208 USD
View
B+
Retailer 11
-
$4,099 NZD
$2,310 USD
View
Retailer 12
-
$4,952 NZD
$2,791 USD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$5,755 NZD
£2,554 GBP
View
B
Retailer 14
-
$6,395 NZD
$3,604 USD
View
B
Retailer 15
-
$7,470 NZD
$4,210 USD
View
Retailer 16
-
$8,233 NZD
$4,640 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Do Amore Diamonds
27-66D4CD1D2 · Oct 31
$10,114 NZD
$5,700 USD
View
16 more retailers have this diamond
Prices start from $1,139 NZDSave up to $8,974 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
1.89ct Radiant
$1,139 NZD