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Round|Lab Grown|IGI

1.01ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818658551

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818658551

Diamond specifications and retailer prices

From $328 SGD
$256 USD
As of October 30, 2026
Save $1,505 SGD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,833 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818658551 or 818658551. Listed at 19 retailers as of October 29, 2026, with prices from $328 to $1,833, a $1,505 spread on the same certified stone. Brilliant Earth lists it at $1,833. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818658551
Dimensions6.45 × 6.48 × 3.91 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.45 mm6.48 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818658551
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.5%

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: $591 SGD|Low: $328 SGD|High: $1,730 SGD|Avg: $905 SGD|-8.4%
Retailer 1
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 2$328 SGD
Retailer 5$382 SGD
Retailer 10$515 SGD
Retailer 1$591 SGD
Retailer 8$610 SGD
Retailer 14$616 SGD
Retailer 13$627 SGD
Retailer 7$686 SGD
Retailer 3$793 SGD
Retailer 11$1,178 SGD
Retailer 4$1,241 SGD
Retailer 6$1,282 SGD
Retailer 9$1,470 SGD
Retailer 12$1,651 SGD

29 data points across 14 retailers

19 retailers$328 SGD to $1,833 SGD

Retailer 1
-
$308 SGD
$240 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$328 SGD
$256 USD
View
Final sale: no returns
Retailer 3
-
$358 SGD
$279 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$382 SGD
$298 USD
View
Retailer 5
-
$382 SGD
$298 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$515 SGD
$402 USD
View
A
Retailer 7
-
$591 SGD
£363 GBP
View
A
Retailer 8
-
$610 SGD
€453 EUR
View
A
Retailer 9
-
$616 SGD
$481 USD
View
A
Retailer 10
-
$627 SGD
ZAR 7,904 ZAR
View
A
Retailer 11
-
$686 SGD
£421 GBP
View
B+
Retailer 12
-
$793 SGD
$619 USD
View
B
Retailer 13
-
$1,178 SGD
$919 USD
View
Retailer 14
-
$1,227 SGD
$957 USD
View
Price last confirmed 26 days ago
B+
Retailer 15
-
$1,241 SGD
$968 USD
View
B+
Retailer 16
-
$1,282 SGD
$1,000 USD
View
B+
Retailer 17
-
$1,470 SGD
£903 GBP
View
B
Retailer 18
-
$1,651 SGD
$1,288 USD
View
Most Expensive
B
Brilliant Earth
21694463A · Oct 29
$1,833 SGD
$1,430 USD
View
18 more retailers have this diamond
Prices start from $328 SGDSave up to $1,505 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
1.01ct Round
$328 SGD