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Round|Lab Grown|IGI

0.77ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG839640550

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839640550

Diamond specifications and retailer prices

From $418 NZD
As of November 4, 2026
Save $1,150 NZD (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,568 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 0.77ct lab-grown round diamond

This 0.77ct lab-grown round sits in the just-under-one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839640550 or 839640550. Listed at 9 retailers as of November 4, 2026, with prices from $418 to $1,568, a $1,150 spread on the same certified stone. MOH London lists it at $1,568. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.77
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839640550
Dimensions5.84 × 5.89 × 3.65 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.84 mm5.89 mm0.77 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839640550
Side View
Table 56.0%Crown 35.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

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: Nov 4
Current: $1,568 NZD|Low: $418 NZD|High: $1,590 NZD|Avg: $852 NZD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$418 NZD
Retailer 9$454 NZD
Retailer 2$578 NZD
Retailer 4$582 NZD
Retailer 7$658 NZD
Retailer 6$953 NZD
Retailer 5$961 NZD
Retailer 8$1,178 NZD
MOH London$1,568 NZD

37 data points across 9 retailers

9 retailers$418 NZD to $1,568 NZD

A
Cheapest Retailer
-
$418 NZD
A
Retailer 2
-
$454 NZD
View
A
Retailer 3
-
$578 NZD
View
A
Retailer 4
-
$582 NZD
View
A
Retailer 5
-
$658 NZD
View
Retailer 6
-
$953 NZD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$961 NZD
View
B
Retailer 8
-
$1,178 NZD
View
Most Expensive
B
MOH London
LG839640550 · Nov 4
$1,568 NZD
£694 GBP
View
8 more retailers have this diamond
Prices start from $418 NZDSave up to $1,150 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
0.77ct Round
$418 NZD