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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 $622 SGD
$485 USD
As of October 29, 2026
Save $435 SGD (41%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,056 SGD 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 $622 to $1,056, a $435 spread on the same certified stone. GemTrove lists it at $1,056. 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: $1,056 SGD|Low: $622 SGD|High: $2,547 SGD|Avg: $1,427 SGD
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$622 SGD
Retailer 5$837 SGD
Retailer 4$906 SGD
Retailer 2$1,035 SGD
GemTrove$1,056 SGD
Retailer 3$1,422 SGD
Retailer 9$1,487 SGD
Retailer 11$1,487 SGD
Retailer 8$1,999 SGD
Retailer 7$2,333 SGD
Retailer 10$2,547 SGD

16 data points across 11 retailers

5 retailers$622 SGD to $1,056 SGD

A
Cheapest Retailer
-
$622 SGD
$485 USD
B+
Retailer 2
-
$837 SGD
HK$5,100 HKD
View
B+
Retailer 3
-
$906 SGD
$707 USD
View
B
Retailer 4
-
$1,035 SGD
€769 EUR
View
Most Expensive
B
GemTrove
GT-L-01079195-98 · Oct 29
$1,056 SGD
A$1,268 AUD
View
4 more retailers have this diamond
Prices start from $622 SGDSave up to $435 SGD

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
$622 SGD