CaratHunter
Plans
Oval|Lab Grown|IGI

3.03ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG678584074

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584074

Diamond specifications and retailer prices

From $627 CAD
$449 USD
As of October 29, 2026
Save $3,214 CAD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,841 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.03ct lab-grown oval diamond

This 3.03ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584074 or 678584074. Listed at 17 retailers as of October 29, 2026, with prices from $627 to $3,841, a $3,214 spread on the same certified stone. Brilliant Earth lists it at $3,841. 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

3.03
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584074
Dimensions11.21 × 8.30 × 5.13 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm8.30 mm3.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584074
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.8%

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: $3,841 CAD|Low: $608 CAD|High: $4,065 CAD|Avg: $1,494 CAD|-5.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 4$627 CAD
Retailer 17$703 CAD
Retailer 3$721 CAD
Retailer 11$777 CAD
Retailer 9$785 CAD
Retailer 15$978 CAD
Retailer 13$1,034 CAD
Retailer 2$1,063 CAD
Retailer 7$1,194 CAD
Retailer 12$1,194 CAD
Retailer 10$1,286 CAD
Retailer 8$1,822 CAD
Retailer 16$2,143 CAD
Retailer 14$2,499 CAD
Retailer 6$2,822 CAD
Retailer 5$2,888 CAD
Brilliant Earth$3,841 CAD

43 data points across 17 retailers

17 retailers$627 CAD to $3,841 CAD

A
Cheapest Retailer
-
$627 CAD
$449 USD
A
Retailer 2
-
$703 CAD
$503 USD
View
A
Retailer 3
-
$721 CAD
$516 USD
View
Final sale: no returns
A
Retailer 4
-
$777 CAD
$556 USD
View
Retailer 5
-
$785 CAD
$562 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$978 CAD
$700 USD
View
B+
Retailer 7
-
$1,034 CAD
$740 USD
View
A
Retailer 8
-
$1,063 CAD
£599 GBP
View
A
Retailer 9
-
$1,194 CAD
$855 USD
View
A
Retailer 10
-
$1,286 CAD
£725 GBP
View
B+
Retailer 11
-
$1,822 CAD
$1,304 USD
View
B+
Retailer 12
-
$2,143 CAD
$1,534 USD
View
B+
Retailer 13
-
$2,499 CAD
$1,789 USD
View
B
Retailer 14
-
$2,822 CAD
$2,020 USD
View
B
Retailer 15
-
$2,888 CAD
£1,628 GBP
View
Retailer 16
-
$2,890 CAD
$2,069 USD
View
Price last confirmed 74 days ago
Most Expensive
B
Brilliant Earth
17471284A · Oct 29
$3,841 CAD
$2,750 USD
View
16 more retailers have this diamond
Prices start from $627 CADSave up to $3,214 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
3.03ct Oval
$627 CAD