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Radiant|Lab Grown|IGI

1.89ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG788624817

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

Certificate IGI LG788624817

Diamond specifications and retailer prices

From $1,181 SGD
$924 USD
As of November 1, 2026
Save $4,239 SGD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,836 SGD 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788624817 or 788624817. Listed at 11 retailers as of October 31, 2026, with a 359% 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624817
Dimensions8.53 × 6.29 × 4.28 mm
L/W Ratio1.36
Culet sizePointed
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
8.53 mm6.29 mm1.89 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624817
Side View
Table 66.0%Crown 40.5°Girdle: MediumPavilion 37.5°Culet: NoneDepth 68.0%

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: Nov 1
Current: $5,836 SGD|Low: $1,181 SGD|High: $10,214 SGD|Avg: $4,340 SGD|+10.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7$1,181 SGD
Retailer 5$1,183 SGD
Retailer 9$1,873 SGD
Retailer 10$2,615 SGD
Retailer 11$3,211 SGD
Retailer 2$3,489 SGD
Retailer 3$3,654 SGD
Retailer 12$3,959 SGD
Retailer 6$4,436 SGD
Retailer 8$5,420 SGD
Rare Carat$5,836 SGD
Retailer 4$10,214 SGD

27 data points across 12 retailers

11 retailers$1,181 SGD to $5,420 SGD

Retailer 1
-
$786 SGD
$615 USD
Price last confirmed 24 days ago
Retailer 2
-
$887 SGD
$694 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$1,181 SGD
$924 USD
View
A
Retailer 4
-
$1,183 SGD
$925 USD
View
B+
Retailer 5
-
$1,873 SGD
$1,465 USD
View
B+
Retailer 6
-
$2,615 SGD
$2,045 USD
View
Retailer 7
-
$2,829 SGD
$2,213 USD
View
Price last confirmed 25 days ago
B+
Retailer 8
-
$3,489 SGD
£2,149 GBP
View
B
Retailer 9
-
$4,436 SGD
$3,470 USD
View
B
Retailer 10
-
$5,420 SGD
$4,240 USD
View
Most Expensive
Rare Carat
PE-183875 · Oct 21
$5,836 SGD
$4,565 USD
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from $1,181 SGDSave up to $4,239 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
$1,181 SGD