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Round|Lab Grown|IGI

1.39ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG800679970

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800679970

Diamond specifications and retailer prices

From $711 AUD
HK$3,900 HKD
As of October 30, 2026
Save $2,250 AUD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,961 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 LG800679970 or 800679970. Listed at 12 retailers as of October 29, 2026, with prices from $711 to $2,961, a $2,250 spread on the same certified stone. Brilliant Earth lists it at $2,961. 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 angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679970
Dimensions7.20 × 7.15 × 4.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.20 mm7.15 mm1.39 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679970
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,961 AUD|Low: $711 AUD|High: $3,061 AUD|Avg: $1,495 AUD|-3.3%
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 31, 2026
Retailer 8$711 AUD
Retailer 12$861 AUD
Retailer 9$967 AUD
Retailer 2$991 AUD
Retailer 5$1,084 AUD
Retailer 4$1,118 AUD
Retailer 10$1,234 AUD
Retailer 7$1,393 AUD
Retailer 3$1,752 AUD
Retailer 11$2,021 AUD
Retailer 6$2,396 AUD
Brilliant Earth$2,961 AUD

42 data points across 12 retailers

12 retailers$711 AUD to $2,961 AUD

A
Cheapest Retailer
-
$711 AUD
HK$3,900 HKD
A
Retailer 2
-
$861 AUD
$605 USD
View
A
Retailer 3
-
$967 AUD
$679 USD
View
A
Retailer 4
-
$991 AUD
€663 EUR
View
A
Retailer 5
-
$1,084 AUD
£600 GBP
View
A
Retailer 6
-
$1,118 AUD
View
A
Retailer 7
-
$1,234 AUD
$867 USD
View
B+
Retailer 8
-
$1,393 AUD
$979 USD
View
B+
Retailer 9
-
$1,752 AUD
$1,231 USD
View
B+
Retailer 10
-
$2,021 AUD
$1,420 USD
View
B+
Retailer 11
-
$2,396 AUD
£1,325 GBP
View
Most Expensive
B
Brilliant Earth
21143623A · Oct 29
$2,961 AUD
$2,080 USD
View
11 more retailers have this diamond
Prices start from $711 AUDSave up to $2,250 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
1.39ct Round
$711 AUD