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Radiant|Lab Grown|IGI

1.55ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG786656406

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

Certificate IGI LG786656406

Diamond specifications and retailer prices

From $574 SGD
$449 USD
As of October 30, 2026
Save $3,261 SGD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,487 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.55ct lab-grown radiant diamond

This 1.55ct 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 LG786656406 or 786656406. Listed at 24 retailers as of October 30, 2026, with a 568% 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

1.55
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786656406
Dimensions8.37 × 5.63 × 3.72 mm
L/W Ratio1.49
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
8.37 mm5.63 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786656406
Side View
Table 68.0%Crown 44.9°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 66.1%

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: $4,487 SGD|Low: $574 SGD|High: $5,024 SGD|Avg: $1,899 SGD|-0.3%
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 10$574 SGD
Retailer 3$643 SGD
Retailer 14$643 SGD
Retailer 9$712 SGD
Retailer 20$895 SGD
Retailer 5$1,018 SGD
Retailer 13$1,115 SGD
Retailer 6$1,116 SGD
Retailer 2$1,178 SGD
Retailer 19$1,224 SGD
Retailer 7$1,427 SGD
Retailer 15$1,914 SGD
Retailer 8$2,288 SGD
Retailer 4$2,330 SGD
Retailer 12$2,491 SGD
Retailer 11$2,575 SGD
Retailer 18$2,630 SGD
Retailer 17$2,742 SGD
Retailer 16$3,835 SGD
Rare Carat$4,487 SGD

26 data points across 20 retailers

24 retailers$574 SGD to $3,835 SGD

A
Cheapest Retailer
-
$574 SGD
$449 USD
A
Retailer 2
-
$643 SGD
$503 USD
View
Final sale: no returns
A
Retailer 3
-
$643 SGD
$503 USD
View
A
Retailer 4
-
$712 SGD
$557 USD
View
Retailer 5
-
$789 SGD
$617 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$895 SGD
$700 USD
View
A
Retailer 7
-
$1,018 SGD
$796 USD
View
A
Retailer 8
-
$1,115 SGD
€831 EUR
View
A
Retailer 9
-
$1,116 SGD
$873 USD
View
A
Retailer 10
-
$1,178 SGD
£725 GBP
View
A
Retailer 11
-
$1,224 SGD
ZAR 15,462 ZAR
View
A
Retailer 12
-
$1,427 SGD
$1,116 USD
View
B+
Retailer 13
-
$1,721 SGD
$1,346 USD
View
B+
Retailer 14
-
$1,914 SGD
$1,497 USD
View
B+
Retailer 15
-
$2,288 SGD
$1,790 USD
View
B+
Retailer 16
-
$2,330 SGD
$1,823 USD
View
B+
Retailer 17
-
$2,480 SGD
$1,940 USD
View
B+
Retailer 18
-
$2,491 SGD
View
B
Retailer 19
-
$2,575 SGD
$2,014 USD
View
Retailer 20
-
$2,611 SGD
£1,608 GBP
View
Price last confirmed 22 days ago
B+
Retailer 21
-
$2,630 SGD
£1,620 GBP
View
B+
Retailer 22
-
$2,742 SGD
$2,145 USD
View
B
Retailer 23
-
$3,835 SGD
$3,000 USD
View
Most Expensive
Rare Carat
PD-174858 · Oct 18
$4,487 SGD
$3,510 USD
View
Price last confirmed 13 days ago
23 more retailers have this diamond
Prices start from $574 SGDSave up to $3,261 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
1.55ct Radiant
$574 SGD