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Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG840634995

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840634995

Diamond specifications and retailer prices

From $277 SGD
$217 USD
As of October 29, 2026
Save $2,031 SGD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,309 SGD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1ct lab-grown round diamond

This 1ct 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 LG840634995 or 840634995. Listed at 21 retailers as of October 29, 2026, with prices from $277 to $2,309, a $2,031 spread on the same certified stone. Helzberg Diamonds lists it at $2,309. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634995
Dimensions6.39 × 6.44 × 3.92 mm
L/W Ratio1.01
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
6.39 mm6.44 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634995
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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 29
Current: $2,309 SGD|Low: $277 SGD|High: $2,309 SGD|Avg: $874 SGD
Helzberg Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 6$277 SGD
Retailer 3$311 SGD
Retailer 20$322 SGD
Retailer 11$344 SGD
Retailer 18$344 SGD
Retailer 15$558 SGD
Retailer 16$581 SGD
Retailer 4$591 SGD
Retailer 17$592 SGD
Retailer 7$600 SGD
Retailer 2$638 SGD
Retailer 10$643 SGD
Retailer 9$936 SGD
Retailer 12$1,107 SGD
Retailer 5$1,111 SGD
Retailer 8$1,175 SGD
Retailer 21$1,189 SGD
Retailer 14$1,266 SGD
Retailer 19$1,382 SGD
Retailer 13$1,585 SGD
Helzberg Diamonds$2,309 SGD

13 data points across 21 retailers

21 retailers$277 SGD to $2,309 SGD

A
Cheapest Retailer
-
$277 SGD
$217 USD
A
Retailer 2
-
$311 SGD
$243 USD
View
Final sale: no returns
A
Retailer 3
-
$322 SGD
$252 USD
View
A
Retailer 4
-
$344 SGD
$269 USD
View
A
Retailer 5
-
$344 SGD
$269 USD
View
A
Retailer 6
-
$558 SGD
£343 GBP
View
A
Retailer 7
-
$581 SGD
€433 EUR
View
A
Retailer 8
-
$591 SGD
$462 USD
View
A
Retailer 9
-
$592 SGD
ZAR 7,477 ZAR
View
A
Retailer 10
-
$600 SGD
$469 USD
View
A
Retailer 11
-
$638 SGD
£393 GBP
View
A
Retailer 12
-
$643 SGD
$503 USD
View
B+
Retailer 13
-
$936 SGD
View
B+
Retailer 14
-
$1,107 SGD
$866 USD
View
B+
Retailer 15
-
$1,111 SGD
$869 USD
View
B+
Retailer 16
-
$1,175 SGD
$919 USD
View
B+
Retailer 17
-
$1,189 SGD
$930 USD
View
B
Retailer 18
-
$1,266 SGD
$990 USD
View
B
Retailer 19
-
$1,382 SGD
£851 GBP
View
B
Retailer 20
-
$1,585 SGD
$1,240 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJKPPL · Oct 30
$2,309 SGD
$1,806 USD
View
20 more retailers have this diamond
Prices start from $277 SGDSave up to $2,031 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
1.00ct Round
$277 SGD