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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

EX • D/FL

Diamond specifications and retailer prices

From $710 SGD
$555 USD
As of October 30, 2026
Save $4,362 SGD (86%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,071 SGD at Blue Nile · As of October 31, 2026
View at Blue Nile

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. Listed at 5 retailers as of October 30, 2026, with prices from $710 to $5,071, a $4,362 spread on the same certified stone. Blue Nile lists it at $5,071. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.50 × 6.21 × 4.31 mm
L/W Ratio1.37
Top View
8.50 mm6.21 mm1.89 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: MediumPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
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: $5,071 SGD|Low: $710 SGD|High: $6,599 SGD|Avg: $2,911 SGD|+8.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$710 SGD
Retailer 5$795 SGD
Retailer 3$1,189 SGD
Retailer 4$2,556 SGD
Blue Nile$5,071 SGD
Retailer 6$6,599 SGD

9 data points across 6 retailers

5 retailers$710 SGD to $5,071 SGD

A
Cheapest Retailer
-
$710 SGD
$555 USD
A
Retailer 2
-
$795 SGD
$622 USD
View
A
Retailer 3
-
$1,189 SGD
$930 USD
View
B+
Retailer 4
-
$2,556 SGD
$1,999 USD
View
Most Expensive
B
Blue Nile
30353459 · Oct 31
$5,071 SGD
$3,967 USD
View
4 more retailers have this diamond
Prices start from $710 SGDSave up to $4,362 SGD

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
$710 SGD