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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG818644805

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644805

Diamond specifications and retailer prices

From $269 SGD
$210 USD
As of October 29, 2026
Save $2,238 SGD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,507 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818644805 or 818644805. Listed at 24 retailers as of October 27, 2026, with prices from $269 to $2,507, a $2,238 spread on the same certified stone. Queensmith lists it at $2,507. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644805
Dimensions6.56 × 6.60 × 3.95 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
6.56 mm6.60 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644805
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.0%

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: $541 SGD|Low: $259 SGD|High: $1,730 SGD|Avg: $738 SGD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$269 SGD
Retailer 4$335 SGD
Retailer 3$451 SGD
Retailer 1$541 SGD
Retailer 7$559 SGD
Retailer 8$574 SGD
Retailer 5$615 SGD
Retailer 9$817 SGD
Retailer 12$864 SGD
Retailer 10$1,339 SGD
Retailer 6$1,346 SGD
Retailer 11$1,730 SGD

36 data points across 12 retailers

24 retailers$269 SGD to $2,507 SGD

A
Cheapest Retailer
-
$269 SGD
$210 USD
A
Retailer 2
-
$302 SGD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
$313 SGD
$244 USD
View
A
Retailer 4
-
$335 SGD
$261 USD
View
A
Retailer 5
-
$335 SGD
$261 USD
View
A
Retailer 6
-
$377 SGD
HK$2,300 HKD
View
A
Retailer 7
-
$451 SGD
$352 USD
View
A
Retailer 8
-
$541 SGD
£332 GBP
View
A
Retailer 9
-
$559 SGD
€415 EUR
View
A
Retailer 10
-
$574 SGD
ZAR 7,237 ZAR
View
A
Retailer 11
-
$615 SGD
£378 GBP
View
A
Retailer 12
-
$637 SGD
$497 USD
View
A
Retailer 13
-
$649 SGD
$506 USD
View
B+
Retailer 14
-
$817 SGD
A$981 AUD
View
B+
Retailer 15
-
$864 SGD
$674 USD
View
B+
Retailer 16
-
$907 SGD
View
B+
Retailer 17
-
$1,074 SGD
$838 USD
View
B+
Retailer 18
-
$1,142 SGD
$891 USD
View
B+
Retailer 19
-
$1,143 SGD
$891 USD
View
Retailer 20
-
$1,339 SGD
$1,045 USD
View
Price last confirmed 9 days ago
B+
Retailer 21
-
$1,346 SGD
£827 GBP
View
B
Retailer 22
-
$1,572 SGD
$1,227 USD
View
Retailer 23
-
$1,730 SGD
$1,350 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Queensmith
LG818644805 · Oct 27
$2,507 SGD
£1,540 GBP
View
23 more retailers have this diamond
Prices start from $269 SGDSave up to $2,238 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
$269 SGD