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Round|Lab Grown|IGI

1.30ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG678583587

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678583587

Diamond specifications and retailer prices

From $5,630 NZD
$3,165 USD
As of November 5, 2026
1 retailer carries this diamond
Only listing: $5,630 NZD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG678583587 or 678583587. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678583587
Dimensions6.99 × 7.03 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
LAB GROWN Pre-existing laser inscription on girdle. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm7.03 mm1.30 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678583587
Side View
Table 57.0%Crown 35.9°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $5,630 NZD|Low: $818 NZD|High: $5,710 NZD|Avg: $2,668 NZD|+16.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
April 14, 2026
Retailer 3$818 NZD
Retailer 2$841 NZD
Retailer 4$1,356 NZD
Retailer 5$1,660 NZD
Retailer 7$1,661 NZD
Retailer 6$3,065 NZD
Brilliant Earth$5,630 NZD

34 data points across 7 retailers

1 retailer

B
Brilliant Earth
14226407A · Nov 5
$5,630 NZD
$3,165 USD
View

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
1.30ct Round
$5,630 NZD