Radiant|Lab Grown|IGI

4.78ct G VS1 Radiant Lab Grown Diamond

VG • G/VS1

Diamond specifications and retailer prices

From €534 EUR
$597 USD
As of October 30, 2026
Save €4,724 EUR (90%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €5,259 EUR at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 4.78ct lab-grown radiant diamond

This 4.78ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI. Listed at 5 retailers as of October 30, 2026, with prices from €534 to €5,259, a €4,724 spread on the same certified stone. Helzberg Diamonds lists it at €5,259. 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

4.78
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions11.74 × 8.35 × 5.67 mm
L/W Ratio1.41
Top View
11.74 mm8.35 mm4.78 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.9%

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: €5,259 EUR|Low: €534 EUR|High: €7,011 EUR|Avg: €2,328 EUR|-25.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4€534 EUR
Retailer 2€626 EUR
Retailer 5€968 EUR
Retailer 3€1,742 EUR
Helzberg Diamonds€5,259 EUR

37 data points across 5 retailers

5 retailers€534 EUR to €5,259 EUR

A
Cheapest Retailer
-
€534 EUR
$597 USD
A
Retailer 2
-
€626 EUR
£551 GBP
View
B+
Retailer 3
-
€968 EUR
$1,081 USD
View
B+
Retailer 4
-
€1,742 EUR
$1,946 USD
View
Most Expensive
C
Helzberg Diamonds
ZXZOJHMNOGJN · Nov 1
€5,259 EUR
$5,875 USD
View
4 more retailers have this diamond
Prices start from €534 EURSave up to €4,724 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
4.78ct Radiant
€534 EUR