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Oval|Lab Grown|IGI

3.07ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG678584187

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584187

Diamond specifications and retailer prices

From $858 CAD
As of November 1, 2026
Save $2,363 CAD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,221 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.07ct lab-grown oval diamond

This 3.07ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584187 or 678584187. Listed at 15 retailers as of October 31, 2026, with prices from $858 to $3,221, a $2,363 spread on the same certified stone. Brilliant Earth lists it at $3,221. 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

3.07
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584187
Dimensions11.71 × 8.25 × 4.93 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.71 mm8.25 mm3.07 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584187
Side View
Table 61.0%Crown 35.9°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 59.8%

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: Nov 1
Current: $3,221 CAD|Low: $515 CAD|High: $3,221 CAD|Avg: $1,355 CAD
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
November 1, 2026
Retailer 3$515 CAD
Retailer 16$589 CAD
Retailer 15$598 CAD
Retailer 7$692 CAD
Retailer 8$692 CAD
Retailer 13$851 CAD
Retailer 10$858 CAD
Retailer 11$1,083 CAD
Retailer 2$1,152 CAD
Retailer 4$1,200 CAD
Retailer 14$1,530 CAD
Retailer 9$1,604 CAD
Retailer 12$2,054 CAD
Retailer 6$2,673 CAD
Retailer 5$2,706 CAD
Brilliant Earth$3,221 CAD

41 data points across 16 retailers

15 retailers$858 CAD to $3,221 CAD

Retailer 1
-
$515 CAD
Price last confirmed 10 days ago
Retailer 2
-
$598 CAD
View
Price last confirmed 10 days ago
Retailer 3
-
$692 CAD
View
Price last confirmed 12 days ago
Retailer 4
-
$692 CAD
View
Price last confirmed 12 days ago
Retailer 5
-
$851 CAD
View
Price last confirmed 4 days ago
B+
Retailer 6
-
$858 CAD
View
A
Retailer 7
-
$1,083 CAD
View
A
Retailer 8
-
$1,152 CAD
View
A
Retailer 9
-
$1,200 CAD
View
B+
Retailer 10
-
$1,530 CAD
View
B+
Retailer 11
-
$1,604 CAD
View
Retailer 12
-
$2,054 CAD
View
Price last confirmed 9 days ago
Retailer 13
-
$2,673 CAD
View
Price last confirmed 16 days ago
Retailer 14
-
$2,706 CAD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
17470558A · Oct 31
$3,221 CAD
$2,290 USD
View
14 more retailers have this diamond
Prices start from $858 CADSave up to $2,363 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
3.07ct Oval
$858 CAD