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Round|Lab Grown|IGI

0.99ct D SI1 Round Lab Grown Diamond

FR • D/SI1 • IGI LG704591610

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704591610

Diamond specifications and retailer prices

From $770 CAD
£433 GBP
As of October 30, 2026
1 retailer carries this diamond
Only listing: $770 CAD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG704591610 or 704591610. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

0.99
Carat
D
Color
SI1
Clarity
Fair
Cut

Specifications

CutFair
PolishGood
SymmetryGood
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704591610
Dimensions6.47 × 6.44 × 3.90 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.47 mm6.44 mm0.99 ctD / SI1
OriginLab Grown
CutFair
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG704591610
Side View
Table 60.0%Crown 34°Girdle: MediumPavilion 41°Culet: NoneDepth 60.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $770 CAD|Low: $402 CAD|High: $5,409 CAD|Avg: $1,053 CAD
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
July 28, 2026
Retailer 5$402 CAD
Retailer 7$564 CAD
Retailer 6$583 CAD
Retailer 4$706 CAD
Diamond Quarter$770 CAD
Retailer 3$1,176 CAD
Retailer 2$5,409 CAD

58 data points across 7 retailers

1 retailer

B
Diamond Quarter
0.99SI1DLG814859N · Oct 30
$770 CAD
£433 GBP
View

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
0.99ct Round
$770 CAD