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Radiant|Lab Grown|IGI

1.39ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG636477056

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG636477056

Diamond specifications and retailer prices

From $298 AUD
$209 USD
As of October 30, 2026
Save $3,120 AUD (91%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,417 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.39ct lab-grown radiant diamond

This 1.39ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG636477056 or 636477056. Listed at 26 retailers as of October 27, 2026, with prices from $298 to $3,417, a $3,120 spread on the same certified stone. Queensmith lists it at $3,417. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.8°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636477056
Dimensions8.11 × 5.69 × 3.63 mm
L/W Ratio1.43
Culet sizePointed
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
8.11 mm5.69 mm1.39 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636477056
Side View
Table 62.0%Crown 26.8°Girdle: MediumPavilion 33°Culet: NoneDepth 63.8%

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 30
Current: $636 AUD|Low: $290 AUD|High: $3,374 AUD|Avg: $1,017 AUD|-1.2%
Retailer 1
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Retailer 23
November 1, 2026
Retailer 5$298 AUD
Retailer 14$330 AUD
Retailer 3$345 AUD
Retailer 4$369 AUD
Retailer 6$369 AUD
Retailer 17$390 AUD
Retailer 21$419 AUD
Retailer 9$510 AUD
Retailer 19$620 AUD
Retailer 1$636 AUD
Retailer 18$680 AUD
Retailer 8$725 AUD
Retailer 22$900 AUD
Retailer 23$922 AUD
Retailer 7$1,184 AUD
Retailer 15$1,200 AUD
Retailer 13$1,260 AUD
Retailer 11$1,409 AUD
Retailer 12$1,477 AUD
Retailer 20$1,710 AUD
Retailer 10$1,739 AUD
Retailer 2$2,434 AUD
Retailer 16$3,374 AUD

31 data points across 23 retailers

26 retailers$298 AUD to $3,417 AUD

A
Cheapest Retailer
-
$298 AUD
$209 USD
A
Retailer 2
-
$330 AUD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$345 AUD
$242 USD
View
A
Retailer 4
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$369 AUD
$259 USD
View
Retailer 5
-
$369 AUD
$259 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$390 AUD
£215 GBP
View
A
Retailer 7
-
$419 AUD
HK$2,300 HKD
View
B+
Retailer 8
-
$510 AUD
$358 USD
View
A
Retailer 9
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$620 AUD
€415 EUR
View
A
Retailer 10
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$636 AUD
ZAR 7,218 ZAR
View
A
Retailer 11
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$680 AUD
£376 GBP
View
A
Retailer 12
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$725 AUD
$509 USD
View
A
Retailer 13
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$900 AUD
View
A
Retailer 14
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$922 AUD
$648 USD
View
A
Retailer 15
-
$942 AUD
$662 USD
View
B+
Retailer 16
-
$1,184 AUD
$832 USD
View
B+
Retailer 17
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$1,200 AUD
SGD 1,139 SGD
View
B+
Retailer 18
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$1,260 AUD
$885 USD
View
B+
Retailer 19
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$1,409 AUD
$990 USD
View
B+
Retailer 20
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$1,477 AUD
£817 GBP
View
B+
Retailer 21
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$1,509 AUD
£835 GBP
View
B+
Retailer 22
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$1,710 AUD
View
B+
Retailer 23
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$1,739 AUD
$1,221 USD
View
B
Retailer 24
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$2,434 AUD
$1,710 USD
View
B
Retailer 25
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$3,374 AUD
$2,370 USD
View
Most Expensive
B
Queensmith
LG636477056 · Oct 27
$3,417 AUD
£1,890 GBP
View
25 more retailers have this diamond
Prices start from $298 AUDSave up to $3,120 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 Radiant
$298 AUD