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2.78ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG360166342

Shape and cutting style on the report: Round brilliant

Certificate IGI LG360166342

Diamond specifications and retailer prices

From $23,297 NZD
$13,130 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $23,297 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 2.78ct lab-grown round diamond

This 2.78ct lab-grown round sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG360166342 or 360166342. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.78
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG360166342
Dimensions9.03 × 8.98 × 5.57 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.03 mm8.98 mm2.78 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG360166342
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $23,297 NZD|Low: $23,297 NZD|High: $25,284 NZD|Avg: $24,201 NZD|-7.9%
October 4, 2026
Brilliant Earth$23,297 NZD

3 data points across 1 retailer

1 retailer

B
Brilliant Earth
17867345Y · Oct 31
$23,297 NZD
$13,130 USD
View

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B
2.78ct Round
$23,297 NZD