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Oval|Lab Grown|IGI

3.39ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG644434465

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG644434465

Diamond specifications and retailer prices

From $1,139 AUD
$800 USD
As of October 29, 2026
Save $3,246 AUD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,385 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.39ct lab-grown oval diamond

This 3.39ct 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 LG644434465 or 644434465. Listed at 14 retailers as of October 29, 2026, with prices from $1,139 to $4,385, a $3,246 spread on the same certified stone. Brilliant Earth lists it at $4,385. 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

3.39
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644434465
Dimensions12.55 × 8.43 × 5.24 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.55 mm8.43 mm3.39 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644434465
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: Oct 29
Current: $4,385 AUD|Low: $755 AUD|High: $4,740 AUD|Avg: $2,051 AUD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 4$755 AUD
Retailer 9$1,033 AUD
Retailer 10$1,139 AUD
Retailer 11$1,189 AUD
Retailer 2$1,241 AUD
Retailer 8$1,254 AUD
Retailer 12$1,310 AUD
Retailer 6$2,115 AUD
Retailer 3$2,662 AUD
Retailer 5$2,784 AUD
Retailer 7$3,708 AUD
Brilliant Earth$4,385 AUD

36 data points across 12 retailers

14 retailers$1,139 AUD to $4,385 AUD

Retailer 1
-
$608 AUD
$427 USD
Price last confirmed 37 days ago
Retailer 2
-
$680 AUD
$478 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$745 AUD
$523 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$1,033 AUD
£572 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,139 AUD
$800 USD
View
B+
Retailer 6
-
$1,189 AUD
$835 USD
View
A
Retailer 7
-
$1,241 AUD
£686 GBP
View
A
Retailer 8
-
$1,310 AUD
$920 USD
View
B+
Retailer 9
-
$2,115 AUD
$1,486 USD
View
Retailer 10
-
$2,424 AUD
$1,703 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$2,662 AUD
$1,870 USD
View
B+
Retailer 12
-
$2,784 AUD
£1,540 GBP
View
B
Retailer 13
-
$3,708 AUD
$2,605 USD
View
Most Expensive
B
Brilliant Earth
11112304A · Oct 29
$4,385 AUD
$3,080 USD
View
13 more retailers have this diamond
Prices start from $1,139 AUDSave up to $3,246 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
3.39ct Oval
$1,139 AUD