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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG846663699

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

Certificate IGI LG846663699

Diamond specifications and retailer prices

From $1,026 NZD
$578 USD
As of November 1, 2026
Save $7,110 NZD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,135 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

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 LG846663699 or 846663699. Listed at 11 retailers as of November 1, 2026, with prices from $1,026 to $8,135, a $7,110 spread on the same certified stone. Rare Carat lists it at $8,135. 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 angle35.8°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663699
Dimensions8.85 × 6.31 × 3.95 mm
L/W Ratio1.40
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
8.85 mm6.31 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663699
Side View
Table 62.0%Crown 35.8°Girdle: STK-THKPavilion 33.5°Culet: NoneDepth 62.6%

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 1
Current: $8,135 NZD|Low: $1,026 NZD|High: $8,135 NZD|Avg: $3,595 NZD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$1,026 NZD
Retailer 5$1,200 NZD
Retailer 6$1,375 NZD
Retailer 11$1,762 NZD
Retailer 8$2,887 NZD
Retailer 7$2,929 NZD
Retailer 10$3,896 NZD
Retailer 3$4,249 NZD
Retailer 4$4,739 NZD
Retailer 9$7,523 NZD
Rare Carat$8,135 NZD

7 data points across 11 retailers

11 retailers$1,026 NZD to $8,135 NZD

A
Cheapest Retailer
-
$1,026 NZD
$578 USD
A
Retailer 2
-
$1,200 NZD
£533 GBP
View
A
Retailer 3
-
$1,375 NZD
$775 USD
View
A
Retailer 4
-
$1,762 NZD
$993 USD
View
B+
Retailer 5
-
$2,887 NZD
$1,627 USD
View
B+
Retailer 6
-
$2,929 NZD
$1,651 USD
View
B+
Retailer 7
-
$3,896 NZD
$2,196 USD
View
B+
Retailer 8
-
$4,249 NZD
$2,395 USD
View
B+
Retailer 9
-
$4,739 NZD
£2,103 GBP
View
B
Retailer 10
-
$7,523 NZD
$4,240 USD
View
Most Expensive
B
Rare Carat
P92F-47 · Nov 1
$8,135 NZD
$4,585 USD
View
10 more retailers have this diamond
Prices start from $1,026 NZDSave up to $7,110 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
$1,026 NZD