CaratHunter
Plans
Radiant|Lab Grown|IGI

1.39ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG579359894

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG579359894

Diamond specifications and retailer prices

From $1,191 NZD
As of November 1, 2026
9 retailers carry this diamond
Most expensive: $2,814 NZD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.39ct lab-grown radiant diamond

This 1.39ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579359894 or 579359894. Listed at 9 retailers as of November 1, 2026. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579359894
Dimensions7.81 × 5.47 × 3.74 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.81 mm5.47 mm1.39 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579359894
Side View
Table 65.0%Crown 43.7°Girdle: MediumPavilion 35.2°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,814 NZD|Low: $281 NZD|High: $2,814 NZD|Avg: $1,183 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$292 NZD
Retailer 9$328 NZD
Retailer 8$657 NZD
Retailer 12$713 NZD
Retailer 11$927 NZD
Retailer 4$1,010 NZD
Retailer 10$1,117 NZD
Retailer 5$1,191 NZD
Retailer 6$1,232 NZD
Retailer 3$1,714 NZD
Retailer 2$1,881 NZD
Do Amore Diamonds$2,814 NZD

16 data points across 12 retailers

9 retailers

Retailer 1
-
$292 NZD
Price last confirmed 11 days ago
Retailer 2
-
$339 NZD
View
Price last confirmed 10 days ago
Retailer 3
-
$657 NZD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$1,191 NZD
View
Retailer 5
-
$1,232 NZD
View
Price last confirmed 12 days ago
Retailer 6
-
$1,281 NZD
View
Price last confirmed 17 days ago
Retailer 7
-
$1,288 NZD
View
Price last confirmed 10 days ago
Retailer 8
-
$1,881 NZD
View
Price last confirmed 9 days ago
Most Expensive
Do Amore Diamonds
27-4DBCF6635 · Oct 29
$2,814 NZD
$1,560 USD
View
Price last confirmed 8 days ago
8 more retailers have this diamond
Prices start from $1,191 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.

B+
1.39ct Radiant
$1,191 NZD