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Round|Lab Grown|IGI

1.39ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG710541146

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710541146

Diamond specifications and retailer prices

From $226 SGD
$176 USD
As of October 29, 2026
Save $1,171 SGD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,397 SGD 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG710541146 or 710541146. Listed at 13 retailers as of October 29, 2026, with prices from $226 to $1,397, a $1,171 spread on the same certified stone. Brilliant Earth lists it at $1,397. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.39
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710541146
Dimensions7.10 × 7.03 × 4.42 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.10 mm7.03 mm1.39 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG710541146
Side View
Table 61.0%Crown 38.7°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.5%

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: $1,397 SGD|Low: $226 SGD|High: $1,448 SGD|Avg: $641 SGD|-2.7%
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 30, 2026
Retailer 5$226 SGD
Retailer 6$252 SGD
Retailer 4$290 SGD
Retailer 7$479 SGD
Retailer 10$497 SGD
Retailer 2$500 SGD
Retailer 9$604 SGD
Retailer 8$606 SGD
Retailer 12$654 SGD
Retailer 3$760 SGD
Retailer 11$1,354 SGD
Brilliant Earth$1,397 SGD

39 data points across 12 retailers

13 retailers$226 SGD to $1,397 SGD

A
Cheapest Retailer
-
$226 SGD
$176 USD
A
Retailer 2
-
$252 SGD
$197 USD
View
Final sale: no returns
A
Retailer 3
-
$290 SGD
$226 USD
View
A
Retailer 4
-
$479 SGD
€356 EUR
View
B+
Retailer 5
-
$497 SGD
$388 USD
View
B+
Retailer 6
-
$500 SGD
£307 GBP
View
B+
Retailer 7
-
$604 SGD
$471 USD
View
B+
Retailer 8
-
$606 SGD
$473 USD
View
B+
Retailer 9
-
$654 SGD
$510 USD
View
B
Retailer 10
-
$760 SGD
$593 USD
View
Retailer 11
-
$769 SGD
$600 USD
View
Price last confirmed 45 days ago
B
Retailer 12
-
$1,354 SGD
£832 GBP
View
Most Expensive
B
Brilliant Earth
17097807A · Oct 29
$1,397 SGD
$1,090 USD
View
12 more retailers have this diamond
Prices start from $226 SGDSave up to $1,171 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
$226 SGD