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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

VG • D/FL • IGI LG811640897

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

Certificate IGI LG811640897

Diamond specifications and retailer prices

From $1,426 NZD
£633 GBP
As of November 1, 2026
Save $7,322 NZD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,747 NZD at Do Amore Diamonds · As of November 1, 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 very-good cut grade and certified by IGI LG811640897 or 811640897. Listed at 9 retailers as of November 1, 2026, with prices from $1,426 to $8,747, a $7,322 spread on the same certified stone. Do Amore Diamonds lists it at $8,747. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.89
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811640897
Dimensions8.50 × 6.21 × 4.31 mm
L/W Ratio1.37
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
8.50 mm6.21 mm1.89 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811640897
Side View
Table 66.0%Crown 40.6°Girdle: MediumPavilion 37.4°Culet: NoneDepth 69.4%

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: $8,747 NZD|Low: $1,019 NZD|High: $10,664 NZD|Avg: $4,082 NZD|-12.3%
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
November 1, 2026
Retailer 4$1,019 NZD
Retailer 5$1,105 NZD
Retailer 2$1,426 NZD
Retailer 13$1,884 NZD
Retailer 10$1,890 NZD
Retailer 3$1,964 NZD
Retailer 17$2,455 NZD
Retailer 6$2,765 NZD
Retailer 14$2,924 NZD
Retailer 7$2,979 NZD
Retailer 16$3,981 NZD
Retailer 8$5,555 NZD
Retailer 12$5,886 NZD
Retailer 9$6,109 NZD
Retailer 11$7,470 NZD
Retailer 15$8,100 NZD
Do Amore Diamonds$8,747 NZD

18 data points across 17 retailers

9 retailers$1,426 NZD to $8,747 NZD

A
Cheapest Retailer
-
$1,426 NZD
£633 GBP
A
Retailer 2
-
$1,884 NZD
$1,062 USD
View
B+
Retailer 3
-
$1,890 NZD
$1,065 USD
View
B+
Retailer 4
-
$2,924 NZD
$1,648 USD
View
B+
Retailer 5
-
$3,981 NZD
$2,244 USD
View
B
Retailer 6
-
$5,886 NZD
£2,612 GBP
View
B
Retailer 7
-
$7,470 NZD
$4,210 USD
View
Retailer 8
-
$8,100 NZD
$4,565 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-47372BC65 · Nov 1
$8,747 NZD
$4,930 USD
View
8 more retailers have this diamond
Prices start from $1,426 NZDSave up to $7,322 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
$1,426 NZD