CaratHunter
Plans
Round|Lab Grown|IGI

1.09ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG698516538

Shape and cutting style on the report: Round brilliant

Certificate IGI LG698516538

Diamond specifications and retailer prices

From $192 CAD
$137 USD
As of October 29, 2026
Save $574 CAD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,225 CAD at Rare Carat · As of August 9, 2026
View at Rare Carat

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG698516538 or 698516538. Listed at 11 retailers as of October 27, 2026, with a 299% 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

1.09
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG698516538
Dimensions6.58 × 6.63 × 4.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm6.63 mm1.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG698516538
Side View
Table 55.0%Crown 34.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,225 CAD|Low: $192 CAD|High: $2,319 CAD|Avg: $766 CAD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 7$192 CAD
Retailer 3$238 CAD
Retailer 12$269 CAD
Retailer 6$403 CAD
Retailer 8$425 CAD
Retailer 10$432 CAD
Retailer 11$446 CAD
Retailer 2$472 CAD
Retailer 9$586 CAD
Retailer 13$766 CAD
Retailer 4$1,099 CAD
Rare Carat$1,225 CAD
Retailer 5$1,470 CAD

5 data points across 13 retailers

11 retailers$192 CAD to $766 CAD

A
Cheapest Retailer
-
$192 CAD
$137 USD
A
Retailer 2
-
$238 CAD
$170 USD
View
A
Retailer 3
-
$269 CAD
HK$1,500 HKD
View
A
Retailer 4
-
$403 CAD
£227 GBP
View
A
Retailer 5
-
$425 CAD
€289 EUR
View
A
Retailer 6
-
$432 CAD
$309 USD
View
B+
Retailer 7
-
$446 CAD
$319 USD
View
A
Retailer 8
-
$472 CAD
£265 GBP
View
B+
Retailer 9
-
$586 CAD
$419 USD
View
B+
Retailer 10
-
$766 CAD
$547 USD
View
Most Expensive
Rare Carat
1271316 · Aug 9
$1,225 CAD
$875 USD
View
Price last confirmed 81 days ago
10 more retailers have this diamond
Prices start from $192 CADSave up to $574 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
1.09ct Round
$192 CAD