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Round|Lab Grown|IGI

1.67ct G SI1 Round Lab Grown Diamond

VG • G/SI1 • IGI LG754510366

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754510366

Diamond specifications and retailer prices

From $278 CAD
$199 USD
As of November 1, 2026
Save $1,860 CAD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,138 CAD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.67ct lab-grown round diamond

This 1.67ct 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 very-good cut grade and certified by IGI LG754510366 or 754510366. Listed at 13 retailers as of November 1, 2026, with prices from $278 to $2,138, a $1,860 spread on the same certified stone. Brilliant Earth lists it at $2,138. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.67
Carat
G
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510366
Dimensions7.52 × 7.44 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.52 mm7.44 mm1.67 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510366
Side View
Table 58.0%Crown 34.1°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 63.6%

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: Nov 1
Current: $2,138 CAD|Low: $267 CAD|High: $2,138 CAD|Avg: $674 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 6$278 CAD
Retailer 13$323 CAD
Retailer 8$345 CAD
Retailer 5$349 CAD
Retailer 4$587 CAD
Retailer 3$602 CAD
Retailer 2$632 CAD
Retailer 12$713 CAD
Retailer 11$753 CAD
Retailer 9$1,111 CAD
Retailer 10$1,115 CAD
Retailer 7$1,617 CAD
Brilliant Earth$2,138 CAD

42 data points across 13 retailers

13 retailers$278 CAD to $2,138 CAD

A
Cheapest Retailer
-
$278 CAD
$199 USD
A
Retailer 2
-
$323 CAD
$231 USD
View
A
Retailer 3
-
$345 CAD
$247 USD
View
Retailer 4
-
$349 CAD
$250 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$587 CAD
€400 EUR
View
B+
Retailer 6
-
$602 CAD
$431 USD
View
B+
Retailer 7
-
$632 CAD
£356 GBP
View
B+
Retailer 8
-
$713 CAD
$510 USD
View
B+
Retailer 9
-
$753 CAD
$539 USD
View
B
Retailer 10
-
$1,111 CAD
$795 USD
View
B+
Retailer 11
-
$1,115 CAD
$798 USD
View
B
Retailer 12
-
$1,617 CAD
£911 GBP
View
Most Expensive
B
Brilliant Earth
18038583A · Nov 1
$2,138 CAD
$1,530 USD
View
12 more retailers have this diamond
Prices start from $278 CADSave up to $1,860 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.

A
1.67ct Round
$278 CAD