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Round|Lab Grown|IGI

0.51ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG707549316

Shape and cutting style on the report: Round brilliant

Certificate IGI LG707549316

Diamond specifications and retailer prices

From $150 CAD
$107 USD
As of October 24, 2026
Save $1,041 CAD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,191 CAD at Reve Diamonds · As of October 25, 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 LG707549316 or 707549316. Listed at 15 retailers as of October 24, 2026, with prices from $150 to $1,191, a $1,041 spread on the same certified stone. Reve Diamonds lists it at $1,191. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707549316
Dimensions5.16 × 5.19 × 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
5.16 mm5.19 mm0.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707549316
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.1%

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 24
Current: $325 CAD|Low: $101 CAD|High: $1,191 CAD|Avg: $410 CAD|+4.7%
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
Retailer 15
Reve Diamonds
October 27, 2026
Retailer 3$130 CAD
Retailer 15$146 CAD
Retailer 5$150 CAD
Retailer 12$171 CAD
Retailer 13$171 CAD
Retailer 10$231 CAD
Retailer 8$281 CAD
Retailer 1$325 CAD
Retailer 6$335 CAD
Retailer 7$364 CAD
Retailer 14$372 CAD
Retailer 11$486 CAD
Retailer 4$516 CAD
Retailer 2$599 CAD
Retailer 9$1,182 CAD
Reve Diamonds$1,191 CAD

40 data points across 16 retailers

15 retailers$150 CAD to $1,191 CAD

A
Retailer 1
-
$130 CAD
$93 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$150 CAD
$107 USD
View
A
Retailer 3
-
$171 CAD
$122 USD
View
A
Retailer 4
-
$171 CAD
$122 USD
View
A
Retailer 5
-
$231 CAD
$165 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$281 CAD
£158 GBP
View
A
Retailer 7
-
$325 CAD
€221 EUR
View
B+
Retailer 8
-
$335 CAD
$239 USD
View
B+
Retailer 9
-
$364 CAD
$260 USD
View
B+
Retailer 10
-
$372 CAD
$266 USD
View
B+
Retailer 11
-
$486 CAD
$347 USD
View
B+
Retailer 12
-
$516 CAD
$369 USD
View
B
Retailer 13
-
$599 CAD
$428 USD
View
B
Retailer 14
-
$1,182 CAD
£665 GBP
View
Most Expensive
B
Reve Diamonds
32AEC2105 · Oct 25
$1,191 CAD
$851 USD
View
14 more retailers have this diamond
Prices start from $150 CADSave up to $1,041 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
$150 CAD