Radiant|Lab Grown|IGI

2.78ct D IF Radiant Lab Grown Diamond

VG • D/IF

Diamond specifications and retailer prices

From $1,476 USD
Save $1,732 USD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,208 USD at NZ Jewellers
View at NZ Jewellers

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 9 retailers, with prices from $1,476 to $3,208 at NZ Jewellers, a $1,732 spread on the same certified stone. 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
Color
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

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $3,208 USD|Low: $1,105 USD|High: $3,208 USD|Avg: $1,706 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 1, 2026
Retailer 8$1,105 USD
Retailer 6$1,476 USD
Retailer 7$1,679 USD
Retailer 4$1,688 USD
Retailer 5$1,712 USD
Retailer 2$1,902 USD
Retailer 3$1,914 USD
NZ Jewellers$3,208 USD

13 data points across 8 retailers

9 retailers$1,476 USD to $3,208 USD

A
Cheapest Retailer
-
$1,476 USD
B+
Retailer 2
-
$1,679 USD
View
B+
Retailer 3
-
$1,688 USD
View
B+
Retailer 4
-
$1,712 USD
View
B+
Retailer 5
-
$1,766 USD
View
B+
Retailer 6
-
$1,791 USD
View
A
Retailer 7
-
$1,902 USD
£1,497 GBP
View
B+
Retailer 8
-
$1,914 USD
View
Most Expensive
B+
NZ Jewellers
11ed4719-b6f6-40c5-b9e8-cd9a627c0843 · Sep 30
$3,208 USD
View
8 more retailers have this diamond
Prices start from $1,476 USDSave up to $1,732 USD

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.

A
2.78ct Radiant
$1,476 USD