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Round|Lab Grown|IGI

0.51ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG706519792

Shape and cutting style on the report: Round brilliant

Certificate IGI LG706519792

Diamond specifications and retailer prices

From $130 CAD
$93 USD
As of October 29, 2026
Save $1,059 CAD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,189 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG706519792 or 706519792. Listed at 15 retailers as of October 29, 2026, with prices from $130 to $1,189, a $1,059 spread on the same certified stone. Reve Diamonds lists it at $1,189. 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

0.51
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706519792
Dimensions5.14 × 5.18 × 3.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
5.14 mm5.18 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706519792
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

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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: Oct 29
Current: $323 CAD|Low: $101 CAD|High: $1,189 CAD|Avg: $411 CAD|+7.9%
Retailer 1
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
Reve Diamonds
October 30, 2026
Retailer 5$130 CAD
Retailer 7$141 CAD
Retailer 13$145 CAD
Retailer 2$170 CAD
Retailer 14$170 CAD
Retailer 11$230 CAD
Retailer 8$301 CAD
Retailer 1$323 CAD
Retailer 10$334 CAD
Retailer 3$372 CAD
Retailer 12$485 CAD
Retailer 6$515 CAD
Retailer 4$598 CAD
Retailer 9$1,180 CAD
Reve Diamonds$1,189 CAD

43 data points across 15 retailers

15 retailers$130 CAD to $1,189 CAD

A
Cheapest Retailer
-
$130 CAD
$93 USD
A
Retailer 2
-
$141 CAD
$101 USD
View
A
Retailer 3
-
$145 CAD
$104 USD
View
Final sale: no returns
A
Retailer 4
-
$170 CAD
$122 USD
View
A
Retailer 5
-
$170 CAD
$122 USD
View
Retailer 6
-
$230 CAD
$165 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$301 CAD
£170 GBP
View
A
Retailer 8
-
$323 CAD
$231 USD
View
B+
Retailer 9
-
$334 CAD
€228 EUR
View
B+
Retailer 10
-
$372 CAD
$266 USD
View
B+
Retailer 11
-
$485 CAD
$347 USD
View
B+
Retailer 12
-
$515 CAD
$369 USD
View
B
Retailer 13
-
$598 CAD
$428 USD
View
B
Retailer 14
-
$1,180 CAD
£665 GBP
View
Most Expensive
B
Reve Diamonds
2AED393F3 · Oct 30
$1,189 CAD
$851 USD
View
14 more retailers have this diamond
Prices start from $130 CADSave up to $1,059 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
0.51ct Round
$130 CAD