Radiant|Lab Grown|GIA

2.78ct D IF Radiant Lab Grown Diamond

ID • D/IF • GIA 6502312440

Certificate GIA 6502312440

Diamond specifications and retailer prices

From €1,712 EUR
$1,913 USD
As of October 30, 2026
Save €11,732 EUR (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €13,444 EUR at Zales · As of October 30, 2026
View at Zales

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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6502312440. Listed at 24 retailers as of October 30, 2026, with prices from €1,712 to €13,444, a €11,732 spread on the same certified stone. Zales lists it at €13,444. 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
Color
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6502312440
Dimensions9.94 × 7.00 × 4.57 mm
L/W Ratio1.42
Top View
9.94 mm7.00 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6502312440
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.3%

Caratlytics Score

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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: Oct 30
Current: €5,205 EUR|Low: €1,686 EUR|High: €13,444 EUR|Avg: €5,608 EUR|-2.6%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Zales
November 1, 2026
Retailer 17€1,712 EUR
Retailer 3€1,917 EUR
Retailer 9€2,037 EUR
Retailer 16€2,171 EUR
Retailer 15€2,412 EUR
Retailer 21€2,613 EUR
Retailer 11€3,363 EUR
Retailer 19€3,386 EUR
Retailer 12€3,995 EUR
Retailer 4€4,161 EUR
Retailer 14€4,364 EUR
Retailer 1€5,205 EUR
Retailer 18€5,206 EUR
Retailer 7€5,214 EUR
Retailer 2€5,658 EUR
Retailer 5€5,981 EUR
Retailer 10€6,304 EUR
Retailer 20€7,668 EUR
Retailer 8€8,960 EUR
Retailer 13€13,149 EUR
Retailer 6€13,444 EUR
Zales€13,444 EUR

20 data points across 22 retailers

24 retailers€1,712 EUR to €13,444 EUR

Retailer 1
-
€1,686 EUR
$1,884 USD
Price last confirmed 30 days ago
A
Retailer 2
-
€1,712 EUR
$1,913 USD
View
Retailer 3
-
€1,911 EUR
$2,135 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
€1,917 EUR
$2,142 USD
View
Final sale: no returns
Retailer 5
-
€2,037 EUR
$2,276 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
€2,171 EUR
$2,425 USD
View
A
Retailer 7
-
€2,412 EUR
$2,695 USD
View
A
Retailer 8
-
€2,613 EUR
$2,919 USD
View
Retailer 9
-
€3,092 EUR
$3,454 USD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
€3,363 EUR
$3,757 USD
View
B+
Retailer 11
-
€3,386 EUR
CA$5,254 CAD
View
B+
Retailer 12
-
€3,995 EUR
View
B+
Retailer 13
-
€4,161 EUR
£3,660 GBP
View
Retailer 14
-
€5,205 EUR
A$8,947 AUD
View
B+
Retailer 15
-
€5,206 EUR
$5,817 USD
View
Retailer 16
-
€5,214 EUR
$5,825 USD
View
Price last confirmed 27 days ago
B+
Retailer 17
-
€5,658 EUR
ZAR 102,111 ZAR
View
B+
Retailer 18
-
€5,981 EUR
£5,261 GBP
View
B+
Retailer 19
-
€6,304 EUR
A$10,835 AUD
View
B
Retailer 20
-
€7,668 EUR
$8,566 USD
View
B
Retailer 21
-
€8,960 EUR
$10,010 USD
View
B
Retailer 22
-
€13,149 EUR
$14,690 USD
View
B
Retailer 23
-
€13,444 EUR
$15,020 USD
View
Most Expensive
B
Zales
521658979 · Oct 30
€13,444 EUR
$15,020 USD
View
23 more retailers have this diamond
Prices start from €1,712 EURSave up to €11,732 EUR

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
€1,712 EUR