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Round|Lab Grown|IGI

1.39ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818672355

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818672355

Diamond specifications and retailer prices

From $2,420 AUD
$1,700 USD
As of October 25, 2026
Save $527 AUD (18%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,947 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.39ct lab-grown round diamond

This 1.39ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818672355 or 818672355. Listed at 10 retailers as of October 25, 2026, with prices from $2,420 to $2,947, a $527 spread on the same certified stone. Brilliant Earth lists it at $2,947. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818672355
Dimensions7.11 × 7.13 × 4.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm7.13 mm1.39 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818672355
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $2,947 AUD|Low: $550 AUD|High: $3,801 AUD|Avg: $1,650 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
October 24, 2026
Retailer 4$550 AUD
Retailer 9$803 AUD
Retailer 12$867 AUD
Retailer 13$904 AUD
Retailer 15$1,243 AUD
Retailer 5$1,284 AUD
Retailer 3$1,310 AUD
Retailer 7$1,442 AUD
Retailer 8$1,488 AUD
Retailer 14$1,557 AUD
Retailer 11$2,155 AUD
Retailer 2$2,420 AUD
Retailer 6$2,587 AUD
Brilliant Earth$2,947 AUD
Retailer 10$3,474 AUD

14 data points across 15 retailers

10 retailers$2,420 AUD to $2,947 AUD

Retailer 1
-
$803 AUD
$564 USD
Price last confirmed 10 days ago
Retailer 2
-
$867 AUD
£480 GBP
View
Price last confirmed 14 days ago
Retailer 3
-
$904 AUD
$635 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$1,310 AUD
ZAR 14,866 ZAR
View
Price last confirmed 49 days ago
Retailer 5
-
$1,325 AUD
$931 USD
View
Price last confirmed 21 days ago
Retailer 6
-
$1,488 AUD
$1,045 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$1,557 AUD
$1,093 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$2,155 AUD
£1,192 GBP
View
Price last confirmed 12 days ago
B
Retailer 9
-
$2,420 AUD
$1,700 USD
View
Most Expensive
B
Brilliant Earth
21733100B · Oct 29
$2,947 AUD
$2,070 USD
View
9 more retailers have this diamond
Prices start from $2,420 AUDSave up to $527 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.

B
1.39ct Round
$2,420 AUD