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1.39ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG710540841

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710540841

Diamond specifications and retailer prices

From $312 NZD
$176 USD
As of October 29, 2026
Save $1,506 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,818 NZD at MOH London · As of October 29, 2026
View at MOH London

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 LG710540841 or 710540841. Listed at 13 retailers as of October 29, 2026, with prices from $312 to $1,818, a $1,506 spread on the same certified stone. MOH London lists it at $1,818. 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
SymmetryGood
FluorescenceNone
Crown angle37.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710540841
Dimensions7.05 × 6.92 × 4.43 mm
L/W Ratio1.02
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
7.05 mm6.92 mm1.39 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG710540841
Side View
Table 59.0%Crown 37.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,818 NZD|Low: $312 NZD|High: $2,005 NZD|Avg: $889 NZD|-5.7%
MOH London
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 6$312 NZD
Retailer 7$350 NZD
Retailer 4$401 NZD
Retailer 8$663 NZD
Retailer 11$688 NZD
Retailer 5$692 NZD
Retailer 10$836 NZD
Retailer 9$839 NZD
Retailer 3$905 NZD
Retailer 2$1,189 NZD
Retailer 12$1,361 NZD
MOH London$1,818 NZD

39 data points across 12 retailers

13 retailers$312 NZD to $1,818 NZD

A
Cheapest Retailer
-
$312 NZD
$176 USD
A
Retailer 2
-
$350 NZD
$197 USD
View
Final sale: no returns
A
Retailer 3
-
$401 NZD
$226 USD
View
A
Retailer 4
-
$663 NZD
€356 EUR
View
B+
Retailer 5
-
$688 NZD
$388 USD
View
B+
Retailer 6
-
$692 NZD
£307 GBP
View
B+
Retailer 7
-
$836 NZD
$471 USD
View
B+
Retailer 8
-
$839 NZD
$473 USD
View
B+
Retailer 9
-
$905 NZD
$510 USD
View
Retailer 10
-
$1,052 NZD
$593 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$1,189 NZD
$670 USD
View
B
Retailer 12
-
$1,361 NZD
$767 USD
View
Most Expensive
B
MOH London
LG710540841 · Oct 29
$1,818 NZD
£807 GBP
View
12 more retailers have this diamond
Prices start from $312 NZDSave up to $1,506 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
$312 NZD