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Radiant|Lab Grown|IGI

1.40ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816616274

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

Certificate IGI LG816616274

Diamond specifications and retailer prices

From $447 SGD
$350 USD
As of October 30, 2026
Save $2,979 SGD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,707 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.4ct lab-grown radiant diamond

This 1.4ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816616274 or 816616274. Listed at 18 retailers as of October 30, 2026, with a 666% 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

1.40
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616274
Dimensions7.62 × 5.62 × 3.83 mm
L/W Ratio1.36
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
7.62 mm5.62 mm1.40 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616274
Side View
Table 62.0%Crown 44.8°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 68.1%

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: $3,707 SGD|Low: $447 SGD|High: $4,027 SGD|Avg: $1,576 SGD|-1.5%
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
October 30, 2026
Retailer 3$447 SGD
Retailer 14$665 SGD
Retailer 11$766 SGD
Retailer 9$803 SGD
Retailer 7$826 SGD
Retailer 4$864 SGD
Retailer 13$1,322 SGD
Retailer 10$1,436 SGD
Retailer 12$1,564 SGD
Retailer 6$1,717 SGD
Retailer 8$1,883 SGD
Retailer 5$1,942 SGD
Retailer 2$3,426 SGD
Rare Carat$3,707 SGD

28 data points across 14 retailers

18 retailers$447 SGD to $3,426 SGD

A
Cheapest Retailer
-
$447 SGD
$350 USD
Final sale: no returns
Retailer 2
-
$496 SGD
$388 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$579 SGD
$453 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$640 SGD
$501 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$665 SGD
$520 USD
View
A
Retailer 6
-
$766 SGD
$599 USD
View
A
Retailer 7
-
$803 SGD
ZAR 10,150 ZAR
View
A
Retailer 8
-
$826 SGD
£509 GBP
View
A
Retailer 9
-
$864 SGD
€644 EUR
View
B+
Retailer 10
-
$1,322 SGD
$1,034 USD
View
B+
Retailer 11
-
$1,436 SGD
$1,123 USD
View
B+
Retailer 12
-
$1,564 SGD
$1,224 USD
View
B+
Retailer 13
-
$1,717 SGD
View
B
Retailer 14
-
$1,883 SGD
£1,160 GBP
View
B
Retailer 15
-
$1,942 SGD
$1,519 USD
View
Retailer 16
-
$2,060 SGD
$1,611 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$3,426 SGD
$2,680 USD
View
Most Expensive
Rare Carat
PD-232045 · Oct 18
$3,707 SGD
$2,900 USD
View
Price last confirmed 12 days ago
17 more retailers have this diamond
Prices start from $447 SGDSave up to $2,979 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
1.40ct Radiant
$447 SGD