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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 $888 AUD
As of November 1, 2026
Save $2,445 AUD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,333 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 LG678584187 or 678584187. Listed at 15 retailers as of October 31, 2026, with prices from $888 to $3,333, a $2,445 spread on the same certified stone. Brilliant Earth lists it at $3,333. 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
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

How it works →
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: $3,333 AUD|Low: $533 AUD|High: $3,333 AUD|Avg: $1,402 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 3$533 AUD
Retailer 16$610 AUD
Retailer 15$619 AUD
Retailer 7$716 AUD
Retailer 8$716 AUD
Retailer 13$881 AUD
Retailer 10$888 AUD
Retailer 11$1,121 AUD
Retailer 2$1,192 AUD
Retailer 4$1,241 AUD
Retailer 14$1,583 AUD
Retailer 9$1,659 AUD
Retailer 12$2,125 AUD
Retailer 6$2,765 AUD
Retailer 5$2,800 AUD
Brilliant Earth$3,333 AUD

41 data points across 16 retailers

15 retailers$888 AUD to $3,333 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
Most Expensive
B
Brilliant Earth
17470558A · Oct 31
$3,333 AUD
$2,290 USD
View
14 more retailers have this diamond
Prices start from $888 AUDSave up to $2,445 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