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1.39ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 2506354106

Certificate GIA 2506354106

Diamond specifications and retailer prices

From $861 NZD
$485 USD
As of October 29, 2026
Save $602 NZD (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,462 NZD 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 $861 to $1,462, a $602 spread on the same certified stone. GemTrove lists it at $1,462. 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: $1,462 NZD|Low: $861 NZD|High: $3,526 NZD|Avg: $1,975 NZD
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$861 NZD
Retailer 5$1,158 NZD
Retailer 4$1,254 NZD
Retailer 2$1,433 NZD
GemTrove$1,462 NZD
Retailer 3$1,968 NZD
Retailer 9$2,058 NZD
Retailer 11$2,058 NZD
Retailer 8$2,768 NZD
Retailer 7$3,230 NZD
Retailer 10$3,526 NZD

16 data points across 11 retailers

5 retailers$861 NZD to $1,462 NZD

A
Cheapest Retailer
-
$861 NZD
$485 USD
B+
Retailer 2
-
$1,158 NZD
HK$5,100 HKD
View
B+
Retailer 3
-
$1,254 NZD
$707 USD
View
B
Retailer 4
-
$1,433 NZD
€769 EUR
View
Most Expensive
B
GemTrove
GT-L-01079195-98 · Oct 29
$1,462 NZD
A$1,268 AUD
View
4 more retailers have this diamond
Prices start from $861 NZDSave up to $602 NZD

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
$861 NZD