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Round|Lab Grown|IGI

1.60ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG488131913

Shape and cutting style on the report: Round brilliant

Certificate IGI LG488131913

Diamond specifications and retailer prices

From $1,369 CAD
$980 USD
As of October 31, 2026
Save $1,963 CAD (59%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,088 CAD at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488131913 or 488131913. Listed at 12 retailers as of October 31, 2026, with a 143% 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

1.60
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488131913
Dimensions7.57 × 7.54 × 4.60 mm
L/W Ratio1.00
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
7.57 mm7.54 mm1.60 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488131913
Side View
Table 57.0%Crown 35.8°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 60.9%

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 31
Current: $5,088 CAD|Low: $1,369 CAD|High: $8,968 CAD|Avg: $4,241 CAD|-2.4%
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4$1,369 CAD
Retailer 5$2,671 CAD
Retailer 8$2,992 CAD
Retailer 6$3,098 CAD
Retailer 9$3,332 CAD
Retailer 3$4,245 CAD
Retailer 7$4,854 CAD
Friendly Diamonds$5,088 CAD
Retailer 2$8,849 CAD

41 data points across 9 retailers

12 retailers$1,369 CAD to $3,332 CAD

B+
Cheapest Retailer
-
$1,369 CAD
$980 USD
B
Retailer 2
-
$2,671 CAD
$1,912 USD
View
B
Retailer 3
-
$2,907 CAD
$2,081 USD
View
B
Retailer 4
-
$2,992 CAD
$2,142 USD
View
Final sale: no returns
B
Retailer 5
-
$3,098 CAD
$2,218 USD
View
Retailer 6
-
$3,098 CAD
$2,218 USD
View
Price last confirmed 21 days ago
B
Retailer 7
-
$3,332 CAD
$2,385 USD
View
Retailer 8
-
$4,245 CAD
£2,393 GBP
View
Price under review
Retailer 9
-
$4,854 CAD
$3,475 USD
View
Price under review
Most Expensive
Friendly Diamonds
1596467 · Oct 30
$5,088 CAD
$3,642 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,369 CADSave up to $1,963 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+
1.60ct Round
$1,369 CAD