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Oval|Lab Grown|IGI

3.07ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG678584138

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584138

Diamond specifications and retailer prices

From $888 AUD
As of November 1, 2026
Save $2,372 AUD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,260 AUD 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 LG678584138 or 678584138. Listed at 16 retailers as of October 31, 2026, with prices from $888 to $3,260, a $2,372 spread on the same certified stone. Brilliant Earth lists it at $3,260. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584138
Dimensions12.07 × 8.24 × 5.06 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.07 mm8.24 mm3.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584138
Side View
Table 60.0%Crown 33.8°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.4%

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: $3,260 AUD|Low: $533 AUD|High: $3,260 AUD|Avg: $1,387 AUD
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 4$533 AUD
Retailer 12$610 AUD
Retailer 3$619 AUD
Retailer 7$716 AUD
Retailer 8$716 AUD
Retailer 15$881 AUD
Retailer 11$888 AUD
Retailer 13$1,121 AUD
Retailer 2$1,192 AUD
Retailer 9$1,241 AUD
Retailer 16$1,583 AUD
Retailer 10$1,659 AUD
Retailer 14$2,125 AUD
Retailer 6$2,765 AUD
Retailer 5$2,800 AUD
Brilliant Earth$3,260 AUD

41 data points across 16 retailers

16 retailers$888 AUD to $3,260 AUD

Retailer 1
-
$533 AUD
Price last confirmed 10 days ago
Retailer 2
-
$619 AUD
View
Price last confirmed 10 days ago
Retailer 3
-
$716 AUD
View
Price last confirmed 12 days ago
Retailer 4
-
$716 AUD
View
Price last confirmed 12 days ago
Retailer 5
-
$881 AUD
View
Price last confirmed 4 days ago
B+
Retailer 6
-
$888 AUD
View
A
Retailer 7
-
$1,121 AUD
View
A
Retailer 8
-
$1,192 AUD
View
A
Retailer 9
-
$1,241 AUD
View
B+
Retailer 10
-
$1,583 AUD
View
B+
Retailer 11
-
$1,659 AUD
View
Retailer 12
-
$2,125 AUD
View
Price last confirmed 9 days ago
Retailer 13
-
$2,765 AUD
View
Price last confirmed 16 days ago
Retailer 14
-
$2,800 AUD
View
Price last confirmed 11 days ago
Retailer 15
-
$3,260 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
17470963A · Oct 31
$3,260 AUD
$2,240 USD
View
15 more retailers have this diamond
Prices start from $888 AUDSave up to $2,372 AUD

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
$888 AUD