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Round|Lab Grown|IGI

1.00ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG487174470

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487174470

Diamond specifications and retailer prices

From $712 CAD
$510 USD
As of October 29, 2026
Save $1,112 CAD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,762 CAD at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487174470 or 487174470. Listed at 12 retailers as of October 29, 2026, with a 156% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.9°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487174470
Dimensions6.40 × 6.36 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.40 mm6.36 mm1.00 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG487174470
Side View
Table 60.5%Crown 33.9°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,762 CAD|Low: $712 CAD|High: $4,456 CAD|Avg: $1,711 CAD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$712 CAD
Retailer 4$967 CAD
Retailer 8$1,083 CAD
Retailer 6$1,122 CAD
Retailer 9$1,369 CAD
Retailer 10$1,625 CAD
Retailer 2$1,790 CAD
Retailer 7$1,824 CAD
Friendly Diamonds$2,762 CAD
Retailer 3$4,426 CAD

40 data points across 10 retailers

12 retailers$712 CAD to $1,824 CAD

B+
Cheapest Retailer
-
$712 CAD
$510 USD
B
Retailer 2
-
$967 CAD
$692 USD
View
B
Retailer 3
-
$1,052 CAD
$753 USD
View
B
Retailer 4
-
$1,083 CAD
$775 USD
View
Final sale: no returns
Retailer 5
-
$1,122 CAD
$803 USD
View
Price last confirmed 14 days ago
B
Retailer 6
-
$1,122 CAD
$803 USD
View
B
Retailer 7
-
$1,369 CAD
$980 USD
View
B
Retailer 8
-
$1,790 CAD
£1,009 GBP
View
B
Retailer 9
-
$1,824 CAD
$1,306 USD
View
Most Expensive
Friendly Diamonds
1595461 · Oct 30
$2,762 CAD
$1,977 USD
View
Price under review
9 more retailers have this diamond
Prices start from $712 CADSave up to $1,112 CAD

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.

B+
1.00ct Round
$712 CAD