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Round|Lab Grown|IGI

1.05ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG818645220

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818645220

Diamond specifications and retailer prices

From $223 SGD
$174 USD
As of October 29, 2026
Save $1,200 SGD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,295 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818645220 or 818645220. Listed at 22 retailers as of October 29, 2026, with a 538% 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

1.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818645220
Dimensions6.44 × 6.46 × 4.02 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
6.44 mm6.46 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818645220
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,295 SGD|Low: $214 SGD|High: $2,295 SGD|Avg: $685 SGD
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
October 30, 2026
Retailer 22$223 SGD
Retailer 11$250 SGD
Retailer 12$259 SGD
Retailer 4$277 SGD
Retailer 5$277 SGD
Retailer 21$312 SGD
Retailer 7$374 SGD
Retailer 3$400 SGD
Retailer 2$463 SGD
Retailer 16$471 SGD
Retailer 18$474 SGD
Retailer 13$493 SGD
Retailer 6$587 SGD
Retailer 20$674 SGD
Retailer 17$695 SGD
Retailer 14$758 SGD
Retailer 9$888 SGD
Retailer 15$914 SGD
Retailer 10$958 SGD
Retailer 19$1,294 SGD
Retailer 8$1,423 SGD
Queensmith$2,295 SGD

25 data points across 22 retailers

22 retailers$223 SGD to $1,423 SGD

A
Cheapest Retailer
-
$223 SGD
$174 USD
A
Retailer 2
-
$250 SGD
$195 USD
View
Final sale: no returns
A
Retailer 3
-
$259 SGD
$202 USD
View
A
Retailer 4
-
$277 SGD
$216 USD
View
A
Retailer 5
-
$277 SGD
$216 USD
View
A
Retailer 6
-
$312 SGD
HK$1,900 HKD
View
B+
Retailer 7
-
$374 SGD
$292 USD
View
A
Retailer 8
-
$400 SGD
$312 USD
View
A
Retailer 9
-
$463 SGD
£284 GBP
View
A
Retailer 10
-
$471 SGD
€350 EUR
View
A
Retailer 11
-
$474 SGD
ZAR 5,980 ZAR
View
B+
Retailer 12
-
$493 SGD
£303 GBP
View
B+
Retailer 13
-
$587 SGD
$458 USD
View
B+
Retailer 14
-
$674 SGD
A$809 AUD
View
B+
Retailer 15
-
$695 SGD
$542 USD
View
B
Retailer 16
-
$758 SGD
View
B
Retailer 17
-
$888 SGD
$693 USD
View
B
Retailer 18
-
$914 SGD
$713 USD
View
B
Retailer 19
-
$958 SGD
$748 USD
View
B
Retailer 20
-
$1,294 SGD
£795 GBP
View
B
Retailer 21
-
$1,423 SGD
$1,110 USD
View
Most Expensive
Queensmith
LG818645220 · Oct 27
$2,295 SGD
£1,410 GBP
View
Price under review
21 more retailers have this diamond
Prices start from $223 SGDSave up to $1,200 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
$223 SGD