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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 $656 USD
As of October 30, 2026
Save $3,764 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,595 USD 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
Color
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,595 USD|Low: $656 USD|High: $6,240 USD|Avg: $2,165 USD|-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
October 30, 2026
Retailer 11$656 USD
Retailer 18$713 USD
Retailer 10$761 USD
Retailer 7$765 USD
Retailer 14$940 USD
Retailer 13$1,216 USD
Retailer 16$1,239 USD
Retailer 3$1,298 USD
Retailer 19$1,385 USD
Retailer 5$1,635 USD
Retailer 4$1,769 USD
Retailer 8$2,138 USD
Retailer 6$2,362 USD
Retailer 17$2,502 USD
Retailer 12$2,624 USD
Retailer 9$2,762 USD
Retailer 20$2,923 USD
Retailer 15$3,208 USD
Retailer 2$4,420 USD
Rare Carat$4,595 USD

32 data points across 20 retailers

21 retailers$656 USD to $4,420 USD

A
Cheapest Retailer
-
$656 USD
A
Retailer 2
-
$713 USD
View
A
Retailer 3
-
$761 USD
View
A
Retailer 4
-
$765 USD
View
Final sale: no returns
Retailer 5
-
$812 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$940 USD
View
A
Retailer 7
-
$1,216 USD
£957 GBP
View
A
Retailer 8
-
$1,239 USD
View
Retailer 9
-
$1,298 USD
€1,236 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$1,385 USD
ZAR 22,372 ZAR
View
B+
Retailer 11
-
$1,635 USD
View
B+
Retailer 12
-
$1,769 USD
View
B+
Retailer 13
-
$2,138 USD
View
B+
Retailer 14
-
$2,362 USD
£1,860 GBP
View
B+
Retailer 15
-
$2,502 USD
View
B+
Retailer 16
-
$2,624 USD
View
B+
Retailer 17
-
$2,762 USD
SGD 3,733 SGD
View
B
Retailer 18
-
$2,923 USD
View
B
Retailer 19
-
$3,208 USD
£2,526 GBP
View
B
Retailer 20
-
$4,420 USD
View
Most Expensive
Rare Carat
PD-245485 · Oct 21
$4,595 USD
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from $656 USDSave up to $3,764 USD

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
$656 USD