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Round|Lab Grown|IGI

1.05ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG823605818

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823605818

Diamond specifications and retailer prices

From $266 SGD
$208 USD
As of November 1, 2026
Save $1,601 SGD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,866 SGD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823605818 or 823605818. Listed at 19 retailers as of November 1, 2026, with prices from $266 to $1,866, a $1,601 spread on the same certified stone. Brilliant Earth lists it at $1,866. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823605818
Dimensions6.46 × 6.49 × 4.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.46 mm6.49 mm1.05 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823605818
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.2%

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: Nov 1
Current: $1,866 SGD|Low: $266 SGD|High: $2,045 SGD|Avg: $828 SGD|-7.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 16$266 SGD
Retailer 5$308 SGD
Retailer 8$329 SGD
Retailer 19$329 SGD
Retailer 10$376 SGD
Retailer 18$445 SGD
Retailer 2$545 SGD
Retailer 13$568 SGD
Retailer 12$605 SGD
Retailer 9$632 SGD
Retailer 15$798 SGD
Retailer 17$804 SGD
Retailer 4$904 SGD
Retailer 3$1,059 SGD
Retailer 7$1,126 SGD
Retailer 6$1,142 SGD
Retailer 14$1,318 SGD
Retailer 11$1,584 SGD
Brilliant Earth$1,866 SGD

35 data points across 19 retailers

19 retailers$266 SGD to $1,866 SGD

A
Cheapest Retailer
-
$266 SGD
$208 USD
A
Retailer 2
-
$308 SGD
$241 USD
View
A
Retailer 3
-
$329 SGD
$257 USD
View
Retailer 4
-
$329 SGD
$257 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$376 SGD
HK$2,300 HKD
View
A
Retailer 6
-
$445 SGD
$348 USD
View
A
Retailer 7
-
$545 SGD
€406 EUR
View
A
Retailer 8
-
$568 SGD
ZAR 7,180 ZAR
View
B+
Retailer 9
-
$605 SGD
£373 GBP
View
B+
Retailer 10
-
$632 SGD
$494 USD
View
B+
Retailer 11
-
$798 SGD
$624 USD
View
B+
Retailer 12
-
$804 SGD
A$968 AUD
View
B+
Retailer 13
-
$904 SGD
View
B
Retailer 14
-
$1,059 SGD
$828 USD
View
B
Retailer 15
-
$1,126 SGD
$881 USD
View
B
Retailer 16
-
$1,142 SGD
$893 USD
View
B
Retailer 17
-
$1,318 SGD
£812 GBP
View
B
Retailer 18
-
$1,584 SGD
$1,239 USD
View
Most Expensive
B
Brilliant Earth
21101731A · Nov 1
$1,866 SGD
$1,460 USD
View
18 more retailers have this diamond
Prices start from $266 SGDSave up to $1,601 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
1.05ct Round
$266 SGD