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Round|Lab Grown|GIA

1.39ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 2506354106

Certificate GIA 2506354106

Diamond specifications and retailer prices

From $690 AUD
$485 USD
As of October 29, 2026
Save $483 AUD (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,173 AUD at GemTrove · As of October 29, 2026
View at GemTrove

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2506354106. Listed at 5 retailers as of October 29, 2026, with prices from $690 to $1,173, a $483 spread on the same certified stone. GemTrove lists it at $1,173. 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

1.39
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabGIA
CertificateGIA 2506354106
Dimensions7.27 × 7.30 × 4.38 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.27 mm7.30 mm1.39 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506354106
Side View
Table 59.0%Crown 32.5°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 60.2%

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: Oct 29
Current: $1,173 AUD|Low: $690 AUD|High: $2,828 AUD|Avg: $1,584 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 6$690 AUD
Retailer 5$929 AUD
Retailer 4$1,006 AUD
Retailer 2$1,149 AUD
GemTrove$1,173 AUD
Retailer 3$1,579 AUD
Retailer 9$1,651 AUD
Retailer 11$1,651 AUD
Retailer 8$2,221 AUD
Retailer 7$2,591 AUD
Retailer 10$2,828 AUD

16 data points across 11 retailers

5 retailers$690 AUD to $1,173 AUD

A
Cheapest Retailer
-
$690 AUD
$485 USD
B+
Retailer 2
-
$929 AUD
HK$5,100 HKD
View
B+
Retailer 3
-
$1,006 AUD
$707 USD
View
B
Retailer 4
-
$1,149 AUD
€769 EUR
View
Most Expensive
B
GemTrove
GT-L-01079195-98 · Oct 29
$1,173 AUD
View
4 more retailers have this diamond
Prices start from $690 AUDSave up to $483 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
$690 AUD