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Radiant|Lab Grown|IGI

2.78ct D IF Radiant Lab Grown Diamond

VG • D/IF

Diamond specifications and retailer prices

From $2,645 NZD
$1,491 USD
As of October 28, 2026
Save $552 NZD (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,197 NZD at B2C Jewels · As of November 1, 2026
View at B2C Jewels

About this 2.78ct lab-grown radiant diamond

This 2.78ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI. Listed at 3 retailers as of October 28, 2026, with prices from $2,645 to $3,197, a $552 spread on the same certified stone. B2C Jewels lists it at $3,197. 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

2.78
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.77 × 6.99 × 4.71 mm
L/W Ratio1.40
Top View
9.77 mm6.99 mm2.78 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $3,197 NZD|Low: $1,961 NZD|High: $3,538 NZD|Avg: $2,880 NZD|-5.1%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5$1,961 NZD
Retailer 3$2,645 NZD
Retailer 2$3,105 NZD
Retailer 4$3,133 NZD
B2C Jewels$3,197 NZD

36 data points across 5 retailers

3 retailers$2,645 NZD to $3,197 NZD

A
Cheapest Retailer
-
$2,645 NZD
$1,491 USD
A
Retailer 2
-
$3,105 NZD
£1,378 GBP
View
Most Expensive
A
B2C Jewels
36529165 · Nov 1
$3,197 NZD
$1,802 USD
View
2 more retailers have this diamond
Prices start from $2,645 NZDSave up to $552 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
2.78ct Radiant
$2,645 NZD