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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836620963

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

Certificate IGI LG836620963

Diamond specifications and retailer prices

From $1,164 NZD
$656 USD
As of October 30, 2026
Save $6,678 NZD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,153 NZD at Rare Carat · As of October 21, 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 LG836620963 or 836620963. Listed at 21 retailers as of October 30, 2026, with a 574% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle46.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620963
Dimensions8.37 × 6.21 × 4.22 mm
L/W Ratio1.35
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
8.37 mm6.21 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620963
Side View
Table 62.0%Crown 46.1°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.0%

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: $8,153 NZD|Low: $1,164 NZD|High: $11,072 NZD|Avg: $3,747 NZD|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 11$1,164 NZD
Retailer 19$1,265 NZD
Retailer 10$1,350 NZD
Retailer 7$1,357 NZD
Retailer 15$1,668 NZD
Retailer 2$2,157 NZD
Retailer 17$2,198 NZD
Retailer 13$2,308 NZD
Retailer 20$2,457 NZD
Retailer 5$2,901 NZD
Retailer 4$3,139 NZD
Retailer 8$3,793 NZD
Retailer 6$4,191 NZD
Retailer 18$4,439 NZD
Retailer 12$4,655 NZD
Retailer 9$4,901 NZD
Retailer 3$5,186 NZD
Retailer 16$5,692 NZD
Retailer 14$7,842 NZD
Rare Carat$8,153 NZD

34 data points across 20 retailers

21 retailers$1,164 NZD to $7,842 NZD

A
Cheapest Retailer
-
$1,164 NZD
$656 USD
A
Retailer 2
-
$1,265 NZD
$713 USD
View
A
Retailer 3
-
$1,350 NZD
$761 USD
View
A
Retailer 4
-
$1,357 NZD
$765 USD
View
Final sale: no returns
Retailer 5
-
$1,441 NZD
$812 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,668 NZD
$940 USD
View
A
Retailer 7
-
$2,157 NZD
£957 GBP
View
A
Retailer 8
-
$2,198 NZD
$1,239 USD
View
A
Retailer 9
-
$2,308 NZD
€1,239 EUR
View
Retailer 10
-
$2,457 NZD
ZAR 22,372 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$2,901 NZD
$1,635 USD
View
B+
Retailer 12
-
$3,139 NZD
$1,769 USD
View
B+
Retailer 13
-
$3,793 NZD
$2,138 USD
View
B+
Retailer 14
-
$4,191 NZD
£1,860 GBP
View
B+
Retailer 15
-
$4,439 NZD
$2,502 USD
View
B+
Retailer 16
-
$4,655 NZD
$2,624 USD
View
B+
Retailer 17
-
$4,901 NZD
SGD 3,733 SGD
View
B
Retailer 18
-
$5,186 NZD
$2,923 USD
View
B
Retailer 19
-
$5,692 NZD
£2,526 GBP
View
B
Retailer 20
-
$7,842 NZD
$4,420 USD
View
Most Expensive
Rare Carat
PD-245485 · Oct 21
$8,153 NZD
$4,595 USD
View
Price last confirmed 11 days ago
20 more retailers have this diamond
Prices start from $1,164 NZDSave up to $6,678 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
$1,164 NZD