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 $174 USD
As of October 29, 2026
Save $936 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,791 USD 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
Color
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: $1,791 USD|Low: $167 USD|High: $1,791 USD|Avg: $534 USD
Queensmith
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 22$174 USD
Retailer 11$195 USD
Retailer 12$202 USD
Retailer 4$216 USD
Retailer 5$216 USD
Retailer 21$243 USD
Retailer 7$292 USD
Retailer 3$312 USD
Retailer 2$361 USD
Retailer 16$368 USD
Retailer 18$370 USD
Retailer 13$385 USD
Retailer 6$458 USD
Retailer 20$526 USD
Retailer 17$542 USD
Retailer 14$591 USD
Retailer 9$693 USD
Retailer 15$713 USD
Retailer 10$748 USD
Retailer 19$1,010 USD
Retailer 8$1,110 USD
Queensmith$1,791 USD

25 data points across 22 retailers

22 retailers$174 USD to $1,110 USD

A
Cheapest Retailer
-
$174 USD
A
Retailer 2
-
$195 USD
View
Final sale: no returns
A
Retailer 3
-
$202 USD
View
A
Retailer 4
-
$216 USD
View
A
Retailer 5
-
$216 USD
View
A
Retailer 6
-
$243 USD
HK$1,900 HKD
View
B+
Retailer 7
-
$292 USD
View
A
Retailer 8
-
$312 USD
View
A
Retailer 9
-
$361 USD
£284 GBP
View
A
Retailer 10
-
$368 USD
€350 EUR
View
A
Retailer 11
-
$370 USD
ZAR 5,980 ZAR
View
B+
Retailer 12
-
$385 USD
£303 GBP
View
B+
Retailer 13
-
$458 USD
View
B+
Retailer 14
-
$526 USD
A$809 AUD
View
B+
Retailer 15
-
$542 USD
View
B
Retailer 16
-
$591 USD
SGD 799 SGD
View
B
Retailer 17
-
$693 USD
View
B
Retailer 18
-
$713 USD
View
B
Retailer 19
-
$748 USD
View
B
Retailer 20
-
$1,010 USD
£795 GBP
View
B
Retailer 21
-
$1,110 USD
View
Most Expensive
Queensmith
LG818645220 · Oct 27
$1,791 USD
£1,410 GBP
View
Price under review
21 more retailers have this diamond
Prices start from $174 USDSave up to $936 USD

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
$174 USD