Radiant|Lab Grown|GIA

2.78ct E IF Radiant Lab Grown Diamond

GD • E/IF • GIA 7506164040

Certificate GIA 7506164040

Diamond specifications and retailer prices

From $1,956 USD
As of October 30, 2026
Save $11,654 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,610 USD at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 2.78ct lab-grown radiant diamond

This 2.78ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7506164040. Listed at 19 retailers as of October 30, 2026, with prices from $1,956 to $13,610, a $11,654 spread on the same certified stone. Kay Jewelers lists it at $13,610. 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
E
Color
IF
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7506164040
Dimensions9.93 × 7.08 × 4.61 mm
L/W Ratio1.40
Girdle conditionPolished
Top View
9.93 mm7.08 mm2.78 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7506164040
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 65.1%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $13,610 USD|Low: $2,435 USD|High: $14,740 USD|Avg: $6,074 USD|-7.7%
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 11$2,435 USD
Retailer 3$2,558 USD
Retailer 13$3,015 USD
Retailer 6$3,186 USD
Retailer 8$3,766 USD
Retailer 10$5,650 USD
Retailer 9$5,957 USD
Retailer 7$6,833 USD
Retailer 12$6,833 USD
Retailer 5$7,609 USD
Retailer 4$8,757 USD
Retailer 14$13,460 USD
Kay Jewelers$13,610 USD
Retailer 2$13,610 USD

28 data points across 14 retailers

19 retailers$1,956 USD to $13,610 USD

A
Cheapest Retailer
-
$1,956 USD
A
Retailer 2
-
$2,129 USD
View
A
Retailer 3
-
$2,269 USD
View
Retailer 4
-
$2,269 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$2,435 USD
View
Retailer 6
-
$2,558 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$3,015 USD
View
B+
Retailer 8
-
$3,186 USD
View
B+
Retailer 9
-
$3,443 USD
View
Retailer 10
-
$3,766 USD
€3,587 EUR
View
Price last confirmed 7 days ago
Retailer 11
-
$5,650 USD
View
Price last confirmed 9 days ago
Retailer 12
-
$5,957 USD
A$9,164 AUD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$6,833 USD
£5,380 GBP
View
B
Retailer 14
-
$6,833 USD
View
B
Retailer 15
-
$7,609 USD
View
B
Retailer 16
-
$8,757 USD
View
B
Retailer 17
-
$13,460 USD
View
B
Retailer 18
-
$13,610 USD
View
Most Expensive
B
Kay Jewelers
252119231 · Oct 30
$13,610 USD
View
18 more retailers have this diamond
Prices start from $1,956 USDSave up to $11,654 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.78ct Radiant
$1,956 USD